You should also be able to tell by looking at the graph of a line whether the sl

Question

You should also be able to tell by looking at the graph of a line whether the slope is positive, negative, zero, or undefined. For each of the following lines, state whether the slope is positive, negative, zero, or undefined. Also state whether each intercept is positive, negative, zero, or does not exist. If you can determine the slope and know at least one point on the line, you can write the equation. Write the equation of the line that goes through the point (-2, 3) and has a slope of 5 (m=5).

Explanation / Answer

Intercept - value of y at x = 0

if the line cut the y-axis above x-axis, intercept is positive.

if the line cut the y-axis below x-axis, intercept is negative.

if the line doesnt cut the y-axis x-axis, intercept is not defined.

Slope - angle of line with axis

if the angle is < 90, slope is positive

if the angle is > 90, slope is negative

if the angle is = 90, slope is not defined/ infinite

4A.

Slope - Negative

intercept - Positive

4B.

Slope - positive

intercept - negitive

4C.

Slope - not defined

intercept - not defined

4C.

Slope - zero

intercept - positive

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