Unit 1 Test - Algebra 2 Semester 1

Front

What is the inverse of the points (1,3), (2,4), (6,2)?

Back

(2,6), (3,1), (4,2)

Front

Determine the type of correlation: Perfect positive correlation, Strong positive correlation, No correlation, Strong negative correlation.

Back

Strong positive correlation

Front

Solve the absolute value inequality: −5|x − 4| > −20.

Back

0 < x < 8

Front

Which of the following is NOT a solution to the inequality: ( -5, 3 ), ( 0, 0 ), ( 8, 1 ), ( 0, -3 )?

Back

( 0, -3 )

Front

Find the inverse of f(x) = -4x - 12.

Back

f⁻¹(x) = -1/4x - 3

Front

What is the definition of a function?

Back

A relation where each input has exactly one output.

Front

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

Back

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

Front

How do you find the inverse of a function algebraically?

Back

Replace f(x) with y, swap x and y, and solve for y.

Front

What does it mean for two variables to have a strong positive correlation?

Back

As one variable increases, the other variable also increases significantly.

Front

What is an absolute value inequality?

Back

An inequality that contains an absolute value expression.