Question

What is the x-coordinate of the x-intercept of the line that passes through points (-5, 3) and (1, -3)?

Answer 1

?

Answer 2

1. Find the slope.
2. Use the point-slope formula to find the equation of the line.
3. Set y equal to 0 to find the x intercept.

Answer 3

Can u show me how to do it plz

Answer 4

I can give you the formulas...
http://www.purplemath.com/modules/slope.htm
slope = \(\dfrac{y_2-y_1}{x_2-x_1}\)

Answer 5

Plug in your x and y values.

Answer 6

3-(-3)/-5-1?

Answer 7

Yes, now do the arithmetic to get the slope.

Answer 8

6/-6

Answer 9

I'm not sure what I'm doing

Answer 10

Simplify your fraction.

Answer 11

1?

Answer 12

6 divided by -6 = what?

Point-Slope Formula:
\(y – y1 = m(x – x1)\)

Answer 13

When multiplying or dividing an odd number of negatives, the answer is negative.

Answer 14

-1

Answer 15

Now what shall I do

Answer 16

Purple Math, the best resource for high school math questions....
http://www.purplemath.com/modules/strtlneq2.htm

Answer 17

Now, plug in the values for \(m,y_1,x_1\)

Answer 18

m = slope

Answer 19

I get it thanks

Answer 20

Your Welcome.