Answers
Answer:
then u help me
Step-by-step explanation:
Answer:
a. x= -4 x=2
b. (-1,-9)
c. [-9,∞)
d. x=-1
Step-by-step explanation:
To find the roots or x intercepts, you set the parabola equal to 0 and solve.
0=[tex]x^{2}[/tex]+2x-8 which will equal (x+4)(x-2) so x= -4, 2
To find the vertex you will do [tex]\frac{-b}{2a}[/tex], a=1 and b=2 so
[tex]\frac{-2}{2(1)}[/tex] which equals x= -1, to find the y value, you will plug x into the equation
y=[tex](-1)^{2}[/tex]+2(-1)-8 which means y=-9 so the vertex is (-1,-9)
The range is bottom to top so it is [-9,∞)
the AOS is equal to the x value of the vertex so x= -1
Related Questions
Please help with these 3 pretty easy problems and explain how you got it!!! 100 POINTS AND BRAINLIEST!!!! Serious answers please..
Answers
Answer:
Step-by-step explanation:
1)
(x-3)/18=12/9, cross multiply
9(x-3)=18(12)
9x-27=216, add 27 to each side
9x=243, divide each side by 9
x=27
2)
(x-16)/(x+6)=3/5, cross multiply
5(x-16)=3(x+6)
5x-80=3x+18, subtract 3x from each side
2x-80=18, add 80 to each side
2x=98, divide each side by 2
x=49
3)
Since the triangles are similar we can say that
25/(4x-1)=10/(x+5), cross multiply
25(x+5)=10(4x-1)
25x+125=40x-10, subtract 40x from each side
-15x+125=-10, subtract 125 from each side
-15x=-135, divide each side by -15
x=9
here are the answers!
1)
(x-3)/18=12/9, cross multiply
9(x-3)=18(12)
9x-27=216, add 27 to each side
9x=243, divide each side by 9
x=27
2)
(x-16)/(x+6)=3/5, cross multiply
5(x-16)=3(x+6)
5x-80=3x+18, subtract 3x from each side
2x-80=18, add 80 to each side
2x=98, divide each side by 2
x=49
3)
Since the triangles are similar we can say that
25/(4x-1)=10/(x+5), cross multiply
25(x+5)=10(4x-1)
25x+125=40x-10, subtract 40x from each side
-15x+125=-10, subtract 125 from each side
-15x=-135, divide each side by -15
x=9
Simplify the expression.
-21k - 3 + 4 - 7k
Answers
Step-by-step explanation:
I hope it is helpful to you
A square has a perimeter of 380 units. What is the length of the diagonal of the square? Express your answer in simplest radical form.
Answers
Answer:
d≈134.35
P Perimeter
380
Using the formulas
P=4a
d=2a
Solving ford
d=2P
4=2·380
4≈134.35029
Step-by-step explanation:
Which statement about f(x) = x^2 + 16x + 3 is true
A. The function has a maximum value of 3
B. The function has a maximum value of 16
C. The function has a minimum value of -8
D. The function has a minimum value of -61
Answers
Answer:
D
Step-by-step explanation:
Given a quadratic function in standard form
f(x) = ax² + bx + c ( a ≠ 0 )
• If a > 0 then minimum value
• If a < 0 then minimum value
For
f(x) = x² + 16x + 3
a = 1 > 0 then f(x) has a minimum value
The minimum is the value of the y- coordinate of the vertex.
The x- coordinate of the vertex is
[tex]x_{vertex}[/tex] = - [tex]\frac{b}{2a}[/tex]
Here a = 1 and b = 16 , then
[tex]x_{vertex}[/tex] = - [tex]\frac{16}{2}[/tex] = - 8
To find the y- coordinate of the vertex, substitute x = - 8 into f(x)
f(- 8) = (- 8)² + 16(- 8) + 3 = 64 - 128 + 3 = - 61
Thus the function has a minimum value of - 61 → D
6x-3=3x+12
solve for x
Answers
Answer:
the answer is x=5
Step-by-step explanation:
hoped I helped:)
Answer:
x = 5
Step-by-step explanation:
6(5) - 3 = 3(5) + 12
30 - 3 = 15 + 12
27 = 27
Your teacher gave you 45 of a bag of candy, but she only gave your friend 23 of a bag.
How much more of the bag did your teacher give you than your friend?
Answers
Answer:
you got 12 more then your friend, 45-23
Step-by-step explanation:
someone help ME PLZZZZ
Answers
Answer:
a+b
Step-by-step explanation:
PLEASE HELP!!! GIVING BRAINLIEST!! ill also answer questions that you have posted if you answer this correctly!!!! (80pts)
Answers
Answer:
I think its 57
Step-by-step explanation:
the difference of 6 divided by 2 is 3
i just divided 171 by 3 and got 57
What’s the slope? I need help pls
Answers
Answer:
The slope is -2/-3
Step-by-step explanation:
Look at the X-axis and go up to the point
Answer:
4/-2
Four over -2
Is your slope.
Your y-intercept is -1
Step-by-step explanation:
Help me please!!!!!!
Answers
Answer: 1
Step-by-step explanation:
0+2/2=1 so 1 is the midpoint of VW
10. A freight train leaves a station and travels at a rate of 30 miles per hour. Two hours later, an express train leaves
the same station traveling in the same direction at a rate of 50 miles per hour. In how many hours will the express train
overtake the freight train?
Answers
Answer:
4 hours
Step-by-step explanation:
We can already assume that the freight train is 60 miles ahead of the express. If the freight is going at a constant of 30 mph and the express goes 50 mph then we can say that when the freight train has been gone for 6 and the express for 4 the express will have passed the freight. The reason as to why would be that 60 + 120 = 180 or 60 + (30 x 4) = 180 and 50 x 4 = 200 .
Sorry if that explanation doesn't make sense but I hope this helped.
The volume of a cylinder with radius r and height h is:
Answers
Answer:
B I think
Step-by-step explanation:
hope this helps
Answer:
B
Step-by-step explanation:
Volume = π x r^2 x h
Hope that helps!
-Sabrina
Elianna studied data collected on the school hockey team for one season. She noticed that a player on the team had 13 successful shots out of a total of 50 attempted shots. To find the percentage of the total shots attempted by this player that were successful, Elian set up the equivalent ratios below.
Answers
Answer: See explanation
Step-by-step explanation:
Your question isn't complete but based on the information given in the question, since she noticed that a player on the team had 13 successful shots out of 50 attempted shots.
The percentage of the total shots attempted by this player that were successful will be:
= 13/50 × 100
= 26%
Solve for X and round to the nearest tenth
Answers
Answer:
146 = x
Step-by-step explanation:
20+14=34
180 - 34 = 146
:)
What is the cubed root of 64 in exponential form?
[tex] \sqrt[3]{64} [/tex]
Answers
Answer:
Step-by-step explanation:
64^(1/3) in English it is 64 to the one third power
A object is moving at a steady speed what will happen if an additional force is applied to the object in the same direction which the object is moving
Answers
Answer:
I’ll never have no idea
Step-by-step explanation:I have no idea
What is the slope of the line through (-5, -10) and (-1,5)?
Choose 1 answer:
А)
15
4
B
4.
15
4
15
©
15
4.
Answers
Answer:
15/4
Step-by-step explanation:
(-5,-10) and (-1,5)
y2-y1/x2-x1
5+10 / 4
15/4
Help!!!!!!!!!!!!!!!!!!!!
Answers
Answer:
4
Step-by-step explanation:
heh its me again I NEED HELPPPPPPPPP
Answers
Answer:
1st and 3rd and 5th
Step-by-step explanation:
Please answer with steps
Answers
9514 1404 393
Answer:
n = 99
Step-by-step explanation:
The sum of logarithms is the log of a product. Here, the sum of terms is ...
log(2/1) +log(3/2) +log(4/3) + ... +log((n+1)/n)
= log((2/1)(3/2)(4/3)×...×((n+1)/n)) = log(n+1)
So, the question reduces to ...
log(n+1) = 2
Taking antilogs, we have ...
n +1 = 10^2 = 100
n = 99
The value of n that makes the sum 2 is 99.
need help ASAP, WILL MARK BRAINLIST
Answers
2p²+3p²+5-1
2p²+3p²+4
5p²+4
Can you please help me fast
Answers
Answer:
126 degrees
Step-by-step explanation:
Angle 4 is supplemnetary to angle 3..which means both of their angles add up to 180 degrees
We can take the angle of 3 whihc is 54 degrees and subtract that from 180 to determine angle 4:
180 - 54 = 126
Angle 4 is 126 degrees
17+3-5x7=? Help please and answer my other questions pleaseee
Answers
Answer:
-15
Step-by-step explanation:
(17+3)-(5×7)
=20-35
= -15
(Ans)
A fair spinner has 9 equal sections: 3 red, 4 blue and 2 green.
It is spun twice.
What is the probability of getting red both times?
Answers
Answer:
9/81
Step-by-step explanation:
Too long for me to explain it
HELP DUE AT MIDNIGHT
Answers
Answer:
Angle 3
Step-by-step explanation:
They are both interior angles as well as on the other sides of the transverse
A rectangle has an area represented by x^2 - 4x - 12 square feet. If the length is x + 2 feet, what is the width of the rectangle?
Answers
Answer: Since x2=6, the width of the rectangle is x-6.
Explanation: factor x^2-4x-12.
given that length=x+2 and area of rectangle = length * width
all you have to do is find the width
there are several way to do this, here is one:
Since one factor of x^2-4x-12 is x+2, x1=-2 is a solution to x62-4x-12=0 so in order to find the other solution, you can use the sum and product properties.
x1*x2= -12 with x1=-2, so x2=6.
Since x2=6, the width of the rectangle is x-6.
Find the midpoint of the line segment with end coordinates of:
(−4,8) and (4,−2)
Answers
Answer:
(0, 3 )
Step-by-step explanation:
Given endpoints (x₁, y₁ ) and (x₂, y₂ ) then midpoint is
( [tex]\frac{x_{1}+x_{2} }{2}[/tex], [tex]\frac{y_{1}+y_{2} }{2}[/tex] )
Here (x₁, y₁ ) = (- 4, 8) and (x₂, y₂ ) = (4, - 2) , then
midpoint = ( [tex]\frac{-4+4}{2}[/tex], [tex]\frac{8-2}{2}[/tex] ) = ( [tex]\frac{0}{2}[/tex], [tex]\frac{6}{2}[/tex] ) = (0, 3 )
Find T
A. 4°
B. 38°
C. 76°
D. 114°
Answers
360-170=5x
5x=190
x=38
Sara simplified an expression as shown.
image
What property of operations did Sara use to get from Step 3 to Step 4?
A.
Subtracting a number is the same as adding its inverse.
B.
Associative Property of Addition
C.
Commutative Property of Addition
D.
The opposite of a sum is the sum of its opposites.
Sara simplified an expression as shown.
image
What property of operations did Sara use to get from Step 3 to Step 4?
A.
Subtracting a number is the same as adding its inverse.
B.
Associative Property of Addition
C.
Commutative Property of Addition
D.
The opposite of a sum is the sum of its opposites.
Answers
Answer:
B. Associative Property of Addition
Step-by-step explanation:
What number is represented on the number line? Give your answer as a decimal and as a mixed number.
Answers
Answer:
1/2
Step-by-step explanation:
can you help me with my question In the extended simile of the underlined passage from Paragraph 15 of "A Wagner Matinee," the narrator makes an observation about the soul that aring rokol been A. it is like a strange moss on a dusty shelf that, with excruciating suffering, can wither and die y for I the be B though after excruciating suffering it may seem to wither, the soul never dies, C. excruciating, interminable suffering that goes on for half a century can kill the soul.
Answer:
-1 3/4 or -1.75
Step-by-step explanation:
Hope This Helps :)
Plz Mark Brainliest !!!