Algebra 2- Quiz Review-Art in Motion-25/26

Relations

100

Martin earns $7.50 per hour proofreading ads at a local newspaper.
From the scenario, identify the independent and dependent variables.

independent: hours,
dependent: total amount of $ earned

200

What is the domain of {(1, 12), (9, -3), (-3, 5), (8, 14)}?

{-3, 1, 8, 9}

300

What is the range for {(10, -4), (12, 4), (-9, 23), (5, 3)}?

{-4, 3, 4, 23}

400

Express the following relation as a mapping. {(9, 13), (-3, 2), (4, -6), (7,8), (-8, 2)}

x -8 -3 4 7 9
y 2 2 -6 8 13

500

What is the range for the following relation?
x y
-7 13
5 -9
6 17
9 11

{-9, 11, 13, 17}

Functions

100

Is the following relation a function?
{(-5, 6), (3, 9), (-11, 3), (5, -2), (4, 8)}

yes

200

Is the following relation a function?
red {(9, 1), (3, -7), (4, -24), (3, -2), (14, 15)}

no

300

Is the following relation a function?
{(11, 23), (19, 4), (-5, 9), (11, 23)}

yes

400

If y= 4x - 11, find y when x=-9

-47

500

If y = 0.5m + 8, find y when m =2.

9

Linear Equations

100

Is the function linear? If so, write a function rule.
x y
-1 -6
0 -4
1 -2
2 0

y = 2x - 4

200

If y= 3n + 7, find what y equals when x is 7.

28

300

Martin earns $7.50 per hour proofreading ads at a local newspaper.

If h represents the number of hours worked,
and e represents the total amount of money earned,
write an algebraic equation to find the total earnings.

7.50h = e

400

Evaluate for the function y = -4 - 3x when x= -1

-1

500

Is the function linear? If so, write the function rule.

x y
7 -16
14 -14
21 -12
28 -10

y = -2/7x - 18

Graphing

100

Given y = 5x + 3, find the value of y when x = -2

y = -7

200

A relation between a set of inputs (x) and outputs (y) where each input produces exactly one output.

What is function.

300

The point (-3, -4) is in this quadrant.

What is the third quadrant.

400

Continuous or discrete: The amount of money in a bank account earning 3% interest.

continuous

500

Given the domain of {-3, -1, 2, 4}, find the range of y = 5 - x

{1, 3, 6, 8,}

Exponents

100

X⁴ * x⁶ =

x¹⁰

200

X³ + 2x³

3x³

300

When dividing exponents you __________ ?

subtract

400

When multiplying exponents you _________

add them

500

Define exponential growth versus linear growth

Exponential growth begins barely, if at all, rising, then suddenly grows quickly.