Answer:
What is factoring?
Factoring is finding what to multiply to find an expression. It is like splitting expression into a multiplication of simplified expression.
Why is it useful to try to factor out the GCF first when factoring?
Greatest common factor or GCF of two numbers is the largest number that divides evenly in both numbers, GCF works the same in polynomials, which divide the expression evenly .
Explain the relationship between factoring and multiplying polynomials. Give an example to help explain
Factoring take away the multiplication, to factorize a polynomial it means take apart what is multiplied. the best example is a²+b²+2ab ( multiplied)
factorize :(a+b)(a+b) take apart what is multiplied
Factor x^2-25, 3x^2-12x-15, and x^3+2x^2+3x+6
x²-25 =(x+5)(x-5)
3x²-12x-15 = 3(x²-4x-5) GCF=3
3(x-5)(x+1)
x³+2x²+3x+6 (x+2) common factor
(x+2)(x²+3)
What are the key features needed to graph a polynomial function?
the key features are the vertex, axis of symmetry, x and y intercept
Explain how to find these key features to sketch a rough graph of a polynomial function
parabola : y=ax²+bx+c
ex: 3x²-12x-15
find vertex (h,k)
h=-b/2a =-(-12)/2(3)=2
k=f(h)=f(2)=3(2)²-12(2)-15
k=12-24-15=-27
vertex=(2,-27)
x intercept is when the graph =0 (y=0)
y intercept when x=0 then y= the constant c and where the graph cross the y axis
axis of symmetry is the x of the vertex: is a line about which a parabola is symmetrical and vertical when the axis of symmetric is vertical.
Why would someone want to factor a polynomial? Provide real world examples of different questions we can answer or facts we can determine from factoring a polynomial.
factor a polynomial helps us understand more about equations,factoring helps us rewrite the polynomial into simpler expression.
example from real life:
A homeowner has a back yard and wants to turn it to garden beds so he can plant his vegetables, he wants to fill it with dirt he needs 240 cubic feet to fill it the length is 4 feet than the width , and the height is 4
solve:
length=W+4
height=1/3 w
V=length* width* height
240=(w+4)(w)(4)
351= 4w²+16w
4w²+16w-240=0
take 4 as common factor
4(w²+4w-60)
now factorize:
4(w-6)(w+10)=0
Step-by-step explanation:
PLEASE BRAINLIEST
The table shows the points Isabella scored during each basketball game of her regular season.
Find the range
The 1st quartile and the 3rd quartile
Answer:
first would be 5-6 and second would be 8-10
Step-by-step explanation:
Help ASAP, NO LINKS OR YOU WILL BE REPORTED!! WILL GIVE BRAINIEST!
Answer:
Question.... Why no links, i wont give you any, but why does everyone dislike links? Just so u know in am 9 and i am in high school :)
Step-by-step explanation:
The ratio that compares the measurements of a model and the real object is called what?
Answer:
Unit Scale
Step-by-step explanation:
A unit scale is a ratio that compares the dimensions of an actual object to the dimensions of a scale drawing or model that represents the actual object. Neither value in a unit scale has to equal 1.
who ever gets this right will get a brainlest
Answer:
25 .2 is answer
Step-by-step explanation:
please help 14 math problem
Answer:
3^6 = 27^2
Step-by-step explanation:
I just used a calculator
Answer:
243
Step-by-step explanation:
27*27=279
3/729=243
Need help number 13 MATH
Answer:
H
Step-by-step explanation:
The ages of two groups of karate students are shown in the following dot plots:
picture shown below:
The mean absolute deviation (MAD) for group A is 2.07 and the MAD for group B is 5.51. Which of the following observations can be made using these data?
Group A has greater variability in the data.
Group A has less variability in the data.
Group B has a lower range.
Group B has a lower mean
Answer:
Group A has less variability in the data.
Step-by-step explanation:
Since the range of group a is 10 (14 - 4), while group B has a range value of 19 (26 - 7) therefore group A has less variability in the data.
please help 17 MATH PROBLEM
Answer:
1/2
Step-by-step explanation:
1/2 - 1/5 is 3/10 and and 4/5 - 3/10 is 1/2
I believe that the answer is 0.5
Jessica had 3 times as many postcards as Antonio. After Jessica gave 30 postcards to her friend and Antonio received 15 more postcards from his friend, Antonio had 3/4 as many postcards as Jessica. How many postcards did they have altogether in the beginning?
PLS HELP. WILL GIVE BRAINLIEST. SHOW YOUR WORK TOO, PLS.
pls mark me as brainlest answer I will follow you
I really need help this is due tomorrow
Answer:
0.938 m^2 or 15/16 m^2
Step-by-step explanation:
The formula for the area of a triangle of base b and height h is
A = (1/2)(b)(h).
Here, with b = 3/2 m and h = 5/4 m, the area is
A = (1/2)(1.5 m)(1.25 m) = 0.938 m^2 or 15/16 m^2
can you please tell me what the answers are for the brainliest
Answer:
1. 24
2. 11
3. 10
4. 76
5. 135
6. 34 is suppose to be p
7. 22 is suppose to be q
8.
First r=12
Second r=20
third r=32
fourth r=10
Step-by-step explanation:
Which of the following is the graph of a function x?
Suppose that there are 20 numbers in a data set and that they are all different. How many of the values in this data set are between the first quartile and the median?
Answer:
4
Step-by-step explanation:
Since the first quartile is at 25%, 25% of 20 is 5. The median is the 50% mark of the set, and 50% of 20 is 10. So, there are 4 numbers between the 5th data point and the 10th, which are the 6th,7th,8th, and 9th data points.
find the volume of the cylinder using the given formula
Answer:
B. 1469.52 cubic units
Step-by-step explanation:
6 squared is 36, 36 x 13 is 46s, 468 x 3.14(pie) is 1469.52
Under her cell phone plan, Allison pays a flat cost of $64 per month and $3 per gigabyte. She wants to keep her bill under $95 per month. Which inequality can be used to determine gg, the maximum number of gigabytes Allison can use while staying within her budget?
.
.
.
.
Answer below!!
64+3x [tex]\leq[/tex] 95
hope that helps!
brainliest plZ!
from KENNY
all the best
The table below shows the number of customers that come eat lunch at a local coffee shop each week.
Based on the information, how many customers should the coffee shop expect to serve during week 12?
A: 50
B: 60
C: 70
D: 80
Can someone help me with this??
HELP PLEASE
Look at the table below. Based on the assets and liabilities, what would this person's net worth be? *
please help me with these
Quincy is having a sale at his store. He is selling a table for $450. If the sales tax is 8.5%, then how much will a customer need to pay in taxes if they buy the table? *
answer choices
$14.50
$22.75
$38.25
$45.50
if you deposit $2500 into a savings account that earns 2% simple interest, how much will be your account in all after 4 years?
answer choices
$200
$250
$2700
$3750
You have saved up enough money to buy some awesome jeans. Store A is offering the jeans for 15% off. Store B is offering the jeans for $10 off. If the jeans cost $45 before the discounts, which store is offering the jeans at a lower cost? *
answer choices
Store A
Store B
They both end up costing the same amount
Answer:
1) 450(0.085) =
$38.25
2) $200
I think im right again but i would like confirmation. thanks
i need help pls help
Answer:
f/3x2 = c
Step-by-step explanation:
PLS HELP!!!! I DON'T GET ANY OF THIS,I WILL GIVE BRAINLEST TO THE FIRST ANSWER
Answer:
theoretical- what is expected to happen, 1/2
experimental- what actually happened, 1/10
Step-by-step explanation:
theoretical does not always mean that it will happen, such as flipping a coin.
it will say there is a 1/2 chance to get heads or tail.
experimental is what actually happens when you test it out. say you flip a coin 10 times and only get heads 3 times. if it was the theoretical possibility then it would say 5 heads and 5 tails.
help me please :'-(((((((
Answer:
Step-by-step explanation:
10. mean, 15.5
median, 16.5
mode, 20
What is the surface area of the square pyramid?
Answer: 417.24
[tex]6.1x9x7.6=417.24[/tex]
Step-by-step explanation:
Question 5
show the work please
Answer:
D) 27
Step-by-step explanation:
It's a rectangle so the opposite sides are congruent to each other.
Long Side:
6x + 6 = 42
subtract 6 from both sides:
6x = 36
divide both sides by 6:
x = 6
Short Side:
5y + 5 = 30
subtract 5 from both sides:
5y = 25
divide both sides by 5:
y = 5
The Equation:
2x + 3y
substitute in the values:
2(6) + 3(5)
do the multiplication:
12 + 15
add the values together:
27
What is the domain of the following relation?
can someone help me please ??
Answer: discount and a sales price is: 114.75
With total with tax is: 122.20875
Step-by-step explanation:
I got this by see what the price was with the discount and then adding on the tax
Answer and Step-by-step explanation:
Discount: 135(.15)=20.25
Sale price (without tax): 135-20.25=114.75
Tax (after discount): 114.75(.065)=7.45875 (7.46 rounded)
Total with tax: 114.75+7.46=122.21
Three cards, one labeled "A," one labeled "T," and one labeled "C," are picked in random order. Based on the tree diagram, which is a valid conclusion. Select all that apply. There are three correct answers
The probability of the letters spelling CAT is 1/6.
The probability that A will be the first letter chosen is 1/15
15 cards must be drawn to determine the probability of spelling CAT
The sample space consists of 6 outcomes.
The probability that T will be the first letter chosen is 1/3.
3)who ever gets this right will get a brainlest
Answer:
321.25
Step-by-step explanation:
I need help explaining, I know the answer, but I don't know how I got the answer
Find the interest
principal 20,000
rate 12%
Time 3 months
Answer:
The interest is +7466.6 per month.