Algebra STAAR Review

Front

What is the slope of a line parallel to m = 3/4?

Back

The slope is 3/4.

Tags

CCSS.8.EE.B.5

Front

Find the zero(s) of the function: f(x) = 0 when x = -3.

Back

The zero is x = -3.

Tags

CCSS.HSF-IF.C.7D

Front

Parallel lines have __________ slopes.

Back

Equal slopes.

Tags

CCSS.8.EE.B.6

Front

Which of the following lines has an undefined slope? y = 3, x = 0, x = -9, x = 2

Back

y = 3 has a defined slope.

Tags

CCSS.8.EE.B.5

Front

What is the x-intercept of the graph? (4, -2), (0, -2), (4, 0), (0, 4)

Back

The x-intercept is (4, 0).

Front

Define slope in the context of a linear equation.

Back

Slope is the ratio of the rise (change in y) to the run (change in x).

Tags

CCSS.8.EE.B.5

Front

What is the formula for finding the slope between two points (x1, y1) and (x2, y2)?

Back

Slope (m) = (y2 - y1) / (x2 - x1).

Tags

CCSS.8.EE.B.5

Front

What does it mean for two lines to be perpendicular?

Back

Two lines are perpendicular if the product of their slopes is -1.

Tags

CCSS.8.EE.B.6

Front

What is the slope-intercept form of a linear equation?

Back

The slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept.

Tags

CCSS.8.F.A.3

CCSS.8.EE.B.6

Front

How do you find the y-intercept of a linear equation?

Back

Set x = 0 in the equation and solve for y.