When using the format of y=mx+b, m is equivalent to the slope and the y intercept is equivalent to b. When you plug the values into the equation, the result is y=-1x+7.

3 0

3 years ago

Go math book 6th 18.1 533

creativ13 [48]

What do you mean????

7 0

3 years ago

The slopes of 2 lines are in the attachment. what is the value of ‘a’ that will make the lines PARALLEL and PERPENDICULAR

Lyrx [107]

Answer:

a. a = -12

b. a = 27

Step-by-step explanation:

a. Two lines that are parallel have the same slope, making the slopes equal ot each other:

$-\frac{3}{2} =\frac{18}{a}$

We can cross multiply and solve for a:

$-3a = 36\\a = -12$

b. Two lines that are perpendicular have the negative reciprocal of each other. This means that you would flip the fraction and multiply by a negative as shown below:

$-\frac{3}{2} --> \frac{2}{3}$

This would be the slope of the other line, so we can write:

$\frac{2}{3} = \frac{18}{a}$

as both expressions express the slope of the same line. We can cross multiply and solve to get:

$2a = 54\\a = 27$

8 0

2 years ago