Question

In order to earn credit for the slope and intercepts, you must explicitly write each of these sentences, filling in the blank with the correct value for that problem:

1. The x-intercept is ___.
2. The y-intercept is ___.
3. The slope is ___.

Merely listing numbers, or letters and numbers, is not sufficient to earn credit.

3. (5 points) y = -x + 4

4. (5 points) y = -3x - 8

5. (5 points) 4x = 9

Answer 1

When x = 0, what axis must the point lie on?

When y = 0, what axis must the point lie on?

The slope can be found if the equation is in slope-intercept form. y = mx + b. m is the slope.

Answer 2

so how do I figure out y=-x+4?

Answer 3

Substitute 0 in for x and you will get the y-intercept.

Substitute 0 in for y and solve for x and you will get the x-intercept.

The value of m is the coefficient on the x variable. In this case, -1.

Answer 4

so y+0=-0+4?

Answer 5

y-intercept: y=-(0) + 4, solve for y
x-intercept: (0)=-x + 4, solve for x
and slope is the coefficient of x, in this case think of the "-" operator as
multiplying x by (-1), thus your slope