Practice Slope in Geometry in Math

Use these practice problems to test your method after reviewing the concept explanation and worked examples.

Quick Recap

The steepness of a line expressed as rise over run, connecting the algebraic slope formula to the geometric angle of inclination.

A ramp's steepness—the ratio of how high it rises to how far it goes horizontally.

Showing a random 20 of 50 problems.

Example 1

easy
A slope of 1 corresponds to what angle with the horizontal?

Example 2

easy
Why is the slope of a vertical line undefined?

Example 3

challenge
Explain why slope is the same between ANY two points on a given line, and why this fails for a curve.

Example 4

challenge
A line through (2,3) with negative slope m cuts off a triangle from the first quadrant with the coordinate axes. Find the slope m that minimizes the length of the segment between the two axis intercepts.

Example 5

challenge
A line through the origin has inclination angle θ such that the line passes through (4,3). Find tan⁡θ and sin⁡θ.

Example 6

easy
A line goes down from left to right. Is its slope positive or negative?

Example 7

easy
What is the slope of a horizontal line?

Example 8

easy
Which of these lines is steeper: y=5x+2 or y=−7x−3? Which has a greater angle with the x-axis?

Example 9

easy
A wheelchair ramp rises 0.5 m over a run of 6 m. What is its slope?

Example 10

medium
A line has slope −34. If it rises (changes y) by −6, what is the change in x?

Example 11

medium
Find the slope of the line that is perpendicular to 2x−5y=10.

Example 12

hard
Slope of the line through (a,a2) and (b,b2) on the parabola y=x2 equals ___ (in terms of a and b).

Example 13

easy
Find the slope of the line through (−5,2) and (3,−2).

Example 14

hard
A treadmill is inclined at 7.5% grade. What is the angle of incline to the nearest tenth of a degree?

Example 15

medium
The median rent in a city rose from $1,200 in 2018 to $1,560 in 2022. Treating year as x and rent as y, find the slope (units $/year).

Example 16

medium
Points A(1,2), B(4,k), C(7,14) are collinear. Find k.

Example 17

easy
If a line passes through (0,4) and (5,4), its slope is ___.

Example 18

hard
Find the slope of the line tangent to the circle x2+y2=25 at the point (3,4).

Example 19

medium
Why does a constant slope mean the line is straight?

Example 20

easy
What is the slope of a vertical line?