MATHEMATICS MIDDLE SCHOOL

What are the intercepts of the line?A.
x-intercept: –3; y-intercept: –7

B.
x-intercept: –3; y-intercept: 7

C.
x-intercept: 7; y-intercept: –3

D.
x-intercept: 7; y-intercept: 3
What are the intercepts of the line? A. x-intercept: –3; - 1

Answers

Answer 1
Answer: The y-intercept is (0, 7) the x-intercept is (-3, 0)

Your answer is B
Answer 2
Answer:

Answer:

b

y7

x-3

Step-by-step explanation:

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What's a times b if it =29
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Simplify each expression so that no negative exponents appear in the final result. Assume that all variables represent nonzero numbers.

The slope of diagonal AB is ___ and it’s equation is ____

Answers

A is located at Y=-2
B is also located at Y=-2

so the slope is zero
 and the equation is y=-2

What two numbers add up to 1 but multiply to -30

Answers

x;\ y-the\ numbers\n\n \left\{\begin{array}{ccc}x+y=1&\to x=1-y\nxy=-30\end{array}\right\n\nsubtitute\ x=1-y\ to\ second\ equation:\n\n(1-y)y=-30\ny-y^2+30=0\n-y^2+y+30=0\ \ \ \ \ |change\ signs\ny^2-y-30=0\ny^2-6y+5y-30=0\ny(y-6)+5(y-6)=0\n(y-6)(y+5)=0\iff y-6=0\ or\ y+5=0\n\Downarrow\ny=6\ or\ y=-5

x=1-y\n\nfor\ y=6\Rightarrow x=1-6=-5\n\nfor\ y=-5\Rightarrow x=1-(-5)=1+5=6\n\n=======================================\nAnswer:\boxed{6}\ and\ \boxed{-5}

Evaluate. Let n = 2.Enter the answer in lowest terms. 

Answers

Numerator:
8n+3n-7
= 11n-7

Plug n=2 in 11n-7, we have:
11*2-7= 15

Denominator:
6*2n-3(n-1)
= 12n-3n+3 (distributive property)
= 9n+3

Plug n=2 into 9n+3, we have:
9*2+3= 21

15/21
= (15/3) / (21/3)
= 5/7

The final answer is 5/7~
First you do the top
8n+3n-7=8*2+3*2-7=16+6-7= 22-7=15
Then you found out the bottom
6*2n-3(n-1)=6*2*2-3(2-1)=6*2*2-3*1=6*4-3*1=24-3*1=24-3=21
15/21 is your answer.
Hope this helps! :)

Solve. 4 - 2x = 10 A) -7 B) -3 C) 0 D) 3

Answers

4-2x=10 -4
-2x=6 Divide by -2
X=-3
Therefore the answer is B hope this helps
It’s D. You subtract four by itself and subtract 4 from ten. Now you have -2x=10. Divide and you get -3

Simplify the expression. (8x + 14) + (9x - 5)

Answers

use the associative property that says
a+(b+c)=(a+b)+c
and the commutative property that says
a+b=b+a
use together and get
(8x+14)+(9x-5)=8x+9x+14-5
add like terms
8+9=17
therefor
17x+14-5
14-5=9
17x+9 is the simpliefid form

Explain how you can tell that 31/33 is in the simplest form

Answers


In order to simplify a fraction, you need to divide the top and bottom
by the same number.  That means that the top and bottom must have
a common factor ... you have to find that first, before you can start
simplifying.  Maybe that's why they teach common factors before they
teach simplifying fractions.

Anyway, I can take one look at this fraction and see that the top and
bottom have no common factor.  In fact, the top number ... 31 ... is a
prime number, so it doesn't have any factors at all, except ' 1 ' and itself.

And that's how I can tell that the fraction is in the simplest form.
Simplest form is a form in which we cann't divide the fractions digits like 31/33
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