Evaluate 4x + 8y for x= 2 and y=-2.
The value of the expression is

4x+8y

on putting the value of

x=2 and y=-2

4(2)+8(-2)

8+(-16)

8-16

-8

I hope it is helpful

24

Step-by-step explanation:

x = 2 and y = 2

4x + 8y

= 4(2) + 8(2)

= 8 + 16

= 24

NOTE: Remember that the once in the bracket are multiplying the once beside them.

Remember that the slope intercept formula is:

y = mx + b

m is the slope

b is the y-intercept

We know that slope = 5 therefore m = 5

So far we have the equation: y =5x + b

Now we must find b

To do that you must plug in the point the line goes through in the x and y of the equation. Point (-2, -6) go through the equation:

-6 = 5(-2) + b

Now solve for b

-6 = -10 + b

-6 + 10 = -10 + 10 + b

4 = b

y = 5x + 4

Hope this helped!

~Just a girl in love with Shawn Mendes