Unit 5 Pre-Algebra Functions Review

Front

A relation where every input matches with exactly one output is called what?

Back

Function

Tags

CCSS.8.F.A.1

Front

Determine the slope and y-intercept from the equation: y = 3/2x + 3

Back

Slope: 3/2, Y-intercept: (0, 3)

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What is the x-intercept shown on the graph?

Back

(-2, 0)

Front

Bob has $150 in his savings account and saves $40 per month. Write the equation for his savings over time.

Back

y = 40x + 150

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Front

If m=3 and b=6, what is the correct slope-intercept equation?

Back

y = 3x + 6

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What is the definition of a function?

Back

A function is a relation that assigns exactly one output for each input.

Tags

CCSS.8.F.A.1

Front

What does the slope of a line represent?

Back

The slope represents the rate of change of y with respect to x.

Tags

CCSS.8.EE.B.5

Front

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

Back

Set x = 0 and solve for y.

Front

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

Back

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

Tags

CCSS.8.EE.B.5

Front

What is the standard form of a linear equation?

Back

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