MATHEMATICS MIDDLE SCHOOL

What is the slope of the line Y+2=-2(x-3)?

Answers

Answer 1

Answer:

Answer:

-2

Step-by-step explanation:

The slope is always the coefficient of x divided by the coefficient of y (if they are on opposite sides of the "=")

SO...

-2/1 = -2 = Slope

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What is the slope that passes through points (2,4) and (6,12)

Answers

Answer:

It is a slope of 4 over 8, i believe

Step-by-step explanation:

the slope would be 4 over 8 i believe

I need help on this one question please someone help me pleases

Answers

so we simplify this and do
5(3a-1)-2(3a+2)=3(a+2)+v
15a-5-6a-4=3a+6+v
add like terms
9a-9=3a+6+v
subtract 6 from both sides and get
9a-15=3a+v
subtract 3a from both sides and get
6a-15=v or 3(2a-5)
so the answers are D,E

or if you want to avoid doing allot of math, you could just figure out which two answer choices are the same (D,E)

5(3a-1)-2(3a+2)=3(a+2)+v
15a-5-6a-4=3a+6+v
9a-9=3a+6+v
9a-15=3a+v
6a-15=v or 3(2a-5)
so the answers are D,E
SORRY I GOT THE OTHER WRONG!

How do I solve system of equations by substitution
y=-2x+2
y=7x+11

Answers

Answer:

(-1, 4)

Step-by-step explanation:

We are told that:

y = -2x + 2 and

y = 7x + 11.

We can eliminate "y" by setting these two equations = to each other:

-2x + 2 = 7x + 11.

We need to solve this equation for x.

Adding 2x to both sides, we get 2 = 9x + 11.

Subtracting 11 from both sides results in -9 = 9x. Thus, x = -1.

Find y by subbing -1 for x in either of the given equations.

If we use the 2nd equation, then y = 7(-1) + 11, or y = 11-7, or y = 4.

The solution of this system of linear equations is (-1, 4)

Given a = 4, b = -2 and c = 8, evaluate 3abc.

Answers

3(4)(-2)(8) is what the equation looks like all you have to do is multiply all these numbers so 3 times 4 equals 12 and 12 times -2 equals -24 then lastly multiply -24 by 8 which gives you the product of -192.

-192 is the answer. you get this by multipling 3 times 4 times 8 times -2.

Is the distance between point R(-1,7) and point T(-7, 7)?1 units
6 units
7 units
2 Bunits