MATHEMATICS HIGH SCHOOL

Can somebody explain y=2x+3 and y intercept please​

Answers

Answer 1
Answer:

Answer:

see below

Step-by-step explanation:

y=2x+3

This is the slope intercept form of a line

y = mx+b  where m is the slope and b is the y intercept

y = 2x+3

The slope is 2 and the y intercept is 3

The y intercept is where it crosses the y axis ( where x =0)

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Which second degree polynomial function has a leading coefficient of –1 and root 4 with multiplicity 2f(x) = x3 – x2 – 4x + 4
f(x) = x4 – 3x2 – 4
f(x) = x4 + 3x2 – 4
f(x) = x3 + x2 – 4x – 4

Answers

Hello,

ANSWER B (x^4-3x²-4) [roots are i,-i,2,-2]
Your answer is f(x) = x4 – 3x2 – 4

Hope this helps.

What is the solution to the following expression if x=52x - 7

A. 105

B. 25

C. 18

D. 3
​

Answers

Actually it’s D. or 3

5 4/8 = ? I really need help

Answers

if you mean in decimal form, it will be 5.5

A real estate agent used the mean and MAD to argue that the home prices of Pepper Hill Road were higher and less variable than those of Cinnamon Court. What is the agent’s error?He should have used the median and IQR because the data is symmetric.


its b I just chose randomly
He should have used the median and IQR because of the outlier.

He should have compared the median and mean.

He should have compared the MAD and IQR.

Answers

Answer: The agent's error would be B) He should have used the median IQR because of the outlier.

I’m in ninth grade and don’t understand this algebra 1 question -5(3a+b)+(2a-7b)

Answers

Answer:

-13 a - 12 b

Step-by-step explanation:

Simplify the following:

-5 (b + 3 a) + 2 a - 7 b

Hint: | Distribute -5 over b + 3 a.

-5 (b + 3 a) = -5 b - 15 a:

-5 b - 15 a + 2 a - 7 b

Hint: | Group like terms in -5 b - 7 b + 2 a - 15 a.

Grouping like terms, -5 b - 7 b + 2 a - 15 a = (-5 b - 7 b) + (-15 a + 2 a):

(-5 b - 7 b) + (-15 a + 2 a)

Hint: | Combine like terms in -5 b - 7 b.

-5 b - 7 b = -12 b:

-12 b + (2 a - 15 a)

Hint: | Combine like terms in 2 a - 15 a.

2 a - 15 a = -13 a:

Answer:  -13 a - 12 b
13a-13b!/$ ............

How can you check if drew the right graph 1. by looking at the slope
2. looking at the intercepts
3. by taking random points on your graph by using this equation 2x+6y=18

Answers

If [ 2x + 6y = 18 ] was the equation you were supposed to graph, then #3 is the way to go. If it was some other equation, then you would have to slog through BOTH #1 and #2 tobe sure.
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