HELP ASAP!
Use the quadratic equation y = –2x^2 + 4x +5 to complete the statements.
Answers
Answer:
Step-by-step explanation:
Given quadratic equation is,
y = -2x² + 4x + 5
y = -2(x² - 2x) + 5
y = -2(x² - 2x + 1 - 1) + 5
y = -2(x² - 2x + 1) + 2 + 5
y = -2(x - 1)² + 7
This equation is in the vertex form of the quadratic equation,
y = a(x - h)² + k
where, (h, k) is the vertex of the parabola.
Therefore, vertex of the given quadratic equation is (1, 7)
The equation can be rewritten as y = -2(x - 1)² + 7.
Therefore, the vertex of the graph of the function y = -2x² + 4x + 5 in the xy-coordinate plane is located at the point (1, 7).
Related Questions
PLEASE HELP WILL MARK YOU BRAINLIEST!! HOW DO YOU SOLVE 22 = -11k
Answers
1st: swap the side move 22 to the right side and -11k to the left.
2nd: divide both sides by -11k
3rd: k=-2
Which of the following numbers makes the inequality -2
A-5
B
-2
C 5
D 6
E
-3
6
Evie's test score is greater than 65, but no more than 90. An inequality that represen
this is
Answers
Answer:
opposite word of disperse
What happens to the value of the expression b-1b−1b, minus, 1 as bbb increases?
Answers
Answer:
the answer is A It increases.
that's the right answer go add me snap cutegirllove17
Step-by-step explanation:
have a good day
The circumference of a circle is m. What is the area , in square meters ? Express your answer in terms of pi
Answers
Answer:
area = m²/2π
Step-by-step explanation:
∵ circumference of circle = 2πr = m
∴ r = m/2π
∵ area of circle = πr²
∴ area of circle = (m/2π)² × π = m²/2π² × π = m²/2π
hope this helps
What is the value of x? Round to the nearest tenths place.
Answers
Answer:
39^2-15^2=1296
/
put this number in a square root and it will give you=36
×=36
Step-by-step explanation:
hypotenuse minus short side it gives another short side
Please help me solve 8n+2-6n-13=9+2n-13
Answers
Answer:
It has no solution, unless there's a specific way it needs to be solved
Step-by-step explanation:
What is the factorization of the trinomial below?
-2x^3-10x^2-12x
Answers
Answer: -2x (x+3) (x+2)
Step-by-step explanation:
Answer:
(−2x)(x+2)(x+3)
Step-by-step explanation:
−2x3−10x2−12x
=(−2x)(x+2)(x+3)
Answer:
(−2x)(x+2)(x+3)
Help me please !!!!! I need help
Answers
10 percent of 300 is 30
3 hours and 10 minutes =190
Multi answer inequality! Please help and comment only if you know!
Answers
Answer:
-8, 0, and -12
Step-by-step explanation:
Using -7 would get you 8. Using -5 would get you 4
A recipe needs 1/2 teaspoon of vanilla for every 21/2 cups of sugar. If you plan to use 5 cups of sugar, how much vanilla will you need?
Answers
Answer:
1 teaspoon
Step-by-step explanation:
If the edge length of a cube is 13 feet, what is the correct way to write the expression to represent the volume of the cube in exponential form? (2 points)
Answers
Answer:
take side as a
volume of cube=a×a×a
= 13×13×13
(im so sorry if im wrong)
At a flea market, used computer games are sold at the prices shown in the table below.
Number of Games Price ($)
2 9.00
5 22.50
7 31.50
Answers
The proportion relation between the number of games and the price is given by the proportionality constant k = 4.5
What is Proportion?The proportion formula is used to depict if two ratios or fractions are equal. The proportion formula can be given as a: b::c : d = a/b = c/d where a and d are the extreme terms and b and c are the mean terms.
The proportional equation is given as y ∝ x
And , y = kx where k is the proportionality constant
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Given data ,
Let the number of games be represented as x
Let the cost for the total number of games be y
And , the values of x = { 2 , 5 , 7 }
Now , the values of y = { 9.00 , 22.50 , 31.50 }
The proportional equation is given as y ∝ x
And , y = kx where k is the proportionality constant
On simplifying , we get
9 = k ( 2 )
Divide by 2 on both sides , we get
k = 4.5
And , 22.50 = k ( 5 )
Divide by 2 on both sides , we get
k = 4.5
Therefore , the proportionality constant is k = 4.5
Hence , the proportion is y = 4.5x
To learn more about proportion click :
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The complete question is :
At a flea market, used computer games are sold at the prices shown in the table below.
Number of Games Price ($)
2 9.00
5 22.50
7 31.50
Do the Number of the games and price form a proportional relationship? choose correct response
1. Yes there is a constant of proportionality of 11.25.
2. Yes there is a constant of proportionality of 4.50.
3. No there is not a constant of proportionality.
4. No the Slope is 4.5
It costs $150 to rent a party room at Pizza-n-Games, plus $6 per person for pizza and $5 per person for game tickets. The expression showed gives the total cost for n people.
150+6n+5n
Evaluate the expression to find the cost for a party of 15 people
Answers
Answer:
$315
Step-by-step explanation:
Please help me to solve
✓ C
✓ D
✓ E
Answers
Answer:
1)Mononaimal polynomial
2)Mononomial polynomial
3)Bionomial polynomial
Plzzz helppp!!
Which equation is equivalent to 3/5 = 17 2/5 divided by h
Answers
The correct expression will be ( 3 + 9) = ( 87 ÷ h ) + 9. The correct option is C.
What is an expression?The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.
Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.
Given that the expression is 3 / 5 = 17²/₅ ÷ h. The expression will be solved as below,
3 / 5 = 17²/₅ ÷ h
3/5 = 87 / 5 ÷ h
h = 87 / 3
h = 29
Check option C for the value of h = 29.
3 + 9 = ( 87 / h ) = 9
3 = 87 / h
h = 87 / 3 = 29
Hence. the correct option is C.
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H+ ions increase in concentration at lower pH values. Calculate how many more H+ ions there are in a solution at a pH = 2 than in a solution at a pH = 6. Find the concentration of H+ ions at a pH = 2 and at a pH = 6 in Table B. Then divide the concentration of H+ ions at a
pH = 2 by the of H+ ions at a pH = 6. Record your answer in Table C.
What is the concentration of H+ ions at a pH = 2?
mol/L
What is the concentration of H+ ions at a pH = 6?
mol/L
How many more H+ ions are there in a solution at a
pH = 2 than in a solution at a pH = 6?
Answers
Answer:
What is the concentration of H+ ions at a pH = 2?
⇒ 0.01 mol/L
What is the concentration of H+ ions at a pH = 6?
⇒ 0.000001 mol/L
How many more H+ ions are there in a solution at a
pH = 2 than in a solution at a pH = 6?
⇒ 10,000
Step-by-step explanation:
Answer:
What is the concentration of H+ ions at a pH = 2?
0.01
What is the concentration of H+ ions at a pH = 6?
0.000001
How many more H+ ions are there in a solution at a
pH = 2 than in a solution at a pH = 6?
10,000
Step-by-step explanation:
What is the missing reason in steps 7 and 8 of the proof?
Given: ∆ABC with AB = c, BC = a, AC = b
Prove: = =
Statement Reason
1. Draw a line through B that is perpendicular to and label the point of intersection with as D. construction
2. In ∆ABD, BD = c sin A definition of sine in right triangle
3. In ∆CBD, BD = a sin C definition of sine in right triangle
4. c sin A = a sin C Substitution Property of Equality
5. = dividing throughout by sin A
sin C
6. Draw a line through A that is perpendicular to and label the point of intersection with as E. construction
7. In ∆BAE, AE = c sin B
8. In ∆CAE, AE = b sin C
9. c sin B = b sin C Substitution Property of Equality
10. = dividing throughout by sin B
sin C
11. = = Transitive Property of Equality
A.
definition of cosine in right triangle
B.
definition of sine in right triangle
C.
definition of tangent in right triangle
D.
Corresponding sides of congruent triangles are equal.
E.
definition of equilateral triangle
Answers
Answer:
Step-by-step explanation:
The answer is option B) def of sine in right triangle
What is the coefficient in the expression 4x + 2
O2
O4
Ox
O+
Answers
A coefficient is a numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e.g. 4 in 4x).
The 2 and + are out since they don't have variables(and the + is just a +).
So 4 and x are left. x is a variable, not a coefficient, so the last(and correct) answer is 4.
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hope it helps
skracanie ułamków
224/100 =
308/100 =
125/1000=
444\1000 =
Answers
Answer:
224/100 = 2 24/100
= 2 6/25
308/100 = 3 8/100
= 3 2/25
125/1000 = ⅛
444/1000 = 111/250
PLEASE HELP WILL MARK BRAINLIEST
Answers
Answer: D 12
Step-by-step explanation:
Erin buys a bag of peanuts that weighs 3/4 of a pound later that week the bag is 2/3 full how much dose the bag of panuts wiegh now
Answers
Answer:
1 ÷ 2 pounds
Step-by-step explanation:
The computation is shown below:
As we know that
1 pound = 0.454 Kg
Peanut starting weight = 3 ÷ 4 of a pound.
In the case when the bag is 2/3 full, so the weight is
= 2 ÷ 3 × 3 ÷ 4
= 1 ÷ 2 pounds
Can someone plz help me! Thx!
Answers
Answer:
q
Step-by-step explanation:
a
Answer:
Step-by-step explanation:
2) The box-and-whisker plot below represents the math test scores of 20 students.
HHHHHHHHHHHHHH
60
100
What percentage of the test scores are less than 722
Answers
Need help with all three
Answers
Answer:
7. 3000
8. 768
9. 378
Step-by-step explanation:
7. 60×50=3000
8. 48×16=768
9. 21×18=378
What inequality is represented by this graph?
+
1 2
+
g
02
4 5 6
Ox>6
Ox<6
0 x
O XC6
07:26
Answers
Bethany bought a box of markers. She gave 6 to her friend. If Bethany now has 52 markers, how many markers were in the box she bought?
Answers
Answer:
58 markers
Step-by-step explanation:
52 + 6 = 58
Answer:
58 markers
Step-by-step explanation:
x-6=52 Set up the problem. "x" represents the number of markers.
+6 +6 Add 6 to both sides to isolate x
x =58
Can someone help me please????
Answers
A rectangle has an area of 56x2y units2. If the height of the rectangle is 7xy. What is the length of the rectangle.
Answers
Answer:
8x units
Step-by-step explanation:
A rectangle has an area of 56x²y units². If the height of the rectangle is 7xy. What is the length of the rectangle.
The Area of a Rectangle is calculated with the formula
Length × Width ( Height)
Area = 56x²y square units
Height = 7xy units
Length =Area of the rectangle/Height of the rectangle
= 56x²y square units/7xy units
= 8x units
HELPP ME!! Ya'll brainly has answers for this question but they're all different answers!! I'm so unsure! One of the offices at the company was being repainted. Riley’s mother challenged him to figure out how many quarts of paint would be needed. The office is 16 ft long and 12 ft wide, and the height of each wall is 10 ft. The office floor, ceiling, and door are not being painted, and there are no windows in this office. The door opening measures 3 ft by 8 ft. One quart of paint covers 2 100 ft . How many quarts of paint are needed to paint the room, if only full quarts can be purchased? Show your work.
Answers
Answer:
3.8 quarts
Step-by-step explanation:
Find the area.
4 cm
6 cm
6 cm
square centimeters
Answers
Answer:
96cm
Step-by-step explanation:
4cm x 4cm x 6cm = 96scm