Help me please... i just need the equation

5

Step-by-step explanation:

Slope = -10, y intercept = 65

Each time x goes up by 2, y drops by 20

slope = rise/run

slope = (change in y)/(change in x)

slope = -20/2

slope = -10

Or we could use the slope formula with any two rows of the table. I'll use the first two rows.

m = (y2-y1)/(x2-x1)

m = (45-65)/(2-0)

m = -20/2

m = -10

The y intercept is b = 65 since the first row has x = 0 and y = 65 pair up together.

Since m = -10 and b = 65, we go from y = mx+b to y = -10x+65

As a check, let's plug in x = 2

y = -10x+65

y = -10*2+65

y = -20+65

y = 45

Which is what the table shows. So we've confirmed x = 2.

Let's try x = 4 now

y = -10x+65

y = -10*4+65

y = -40+65

y = 25

Which confirms the row that has x = 4

Finally let's see if x = 6 leads to y = 5

y = -10x+65

y = -10*6+65

y = -60+65

y = 5

So we've fully confirmed the table.

3

step-by-step explanation:

because where the point where the 2 lines intersect is (3,-1) the x value is 3