Practice Line in Math

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

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Quick Recap

A perfectly straight path extending infinitely in both directions through two distinct points, with no thickness.

A perfectly straight edge that goes on forever in both directions.

Showing a random 20 of 64 problems.

Example 1

medium
In the equation y=mx+by = mx + b, what does bb represent for the line?

Example 2

medium
How many endpoints does a ray have?

Example 3

hard
A rectangle has a long side of 1212 cm and a short side of 55 cm. Two of its sides are parallel and the same length as the long side. Also, two of its sides are perpendicular to the long side. What is the total length of all 4 sides of the rectangle?

Example 4

easy
Look at the two paths. One is straight like a ruler. One is wiggly like a snake. Which one is the straight line?

Example 5

easy
Write the equation of a line with slope m=2m = 2 and y-intercept b=−3b = -3.

Example 6

easy
A line segment is 77 cm long. Another line segment is 55 cm long. What is the total length if you put them end to end?

Example 7

easy
A triangle has 3 corners. How many straight lines make a triangle?

Example 8

easy
Two straight lines cross each other in the middle, like a plus sign. How many straight lines do you see?

Example 9

easy
A line passes through points AA and BB. How is this line usually named?

Example 10

medium
Line 1 has slope 22. Line 2 is parallel to it. What is line 2's slope?

Example 11

easy
Two straight lines cross each other and make an XX. Are they parallel or do they intersect?

Example 12

easy
A square has 4 sides. How many pairs of sides are parallel in a square?

Example 13

hard
The letter TT is drawn with straight lines. How many straight lines does TT use?

Example 14

medium
Look at the letter XX. Two straight line segments cross in the middle. Are they parallel, perpendicular, or just intersecting?

Example 15

medium
Line 1 has slope 33. Line 2 is perpendicular to it. Find line 2's slope.

Example 16

medium
Three lines are drawn so that no two are parallel and no three meet at one point. How many intersection points are there?

Example 17

medium
How many endpoints does a line segment have?

Example 18

easy
A straight path with only one endpoint that keeps going forever in the other direction is called a what?

Example 19

medium
A book sits on a shelf. The top edge of the shelf and the bottom edge of the shelf both go straight across and never touch. What kind of lines are these edges?

Example 20

medium
Why is the slope of a vertical line undefined?
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