8th grade Math - Equations Review

Front

If a system of linear equations has one solution, what does this mean about the two lines?

Back

The two lines are intersecting lines.

Front

Solve: 7x + 19 = -2x + 55

Back

x = 4

Front

What is the equation of the line that is vertical and passes through x = -2?

Back

x = -2

Front

Where do the lines y = 2x + 3 and y = -x - 3 meet?

Back

(2, -9)

Front

If a system of linear equations has infinitely many solutions, what does this mean about the two lines?

Back

The two lines are identical lines.

Front

What is the slope of a line that is horizontal?

Back

The slope is 0.

Front

What is the slope of a line that is vertical?

Back

The slope is undefined.

Front

Solve: 3x - 5 = 16

Back

x = 7

Front

What does it mean if two lines are parallel?

Back

They have the same slope and will never intersect.

Front

What is the standard form of a linear equation?

Back

Ax + By = C, where A, B, and C are constants.