Algebra Linear and Exponential Review

Find the solution to the following inequality:

6(x - 5) < 7x - 4

• x ≥ 26

• x > -26

• x < -26

• -x > 26

What is another word for zeros?

• y-intercepts

• roots

• vertex

• axis of symmetry

Find the difference:
(2x + 7) - 3(5x - 4)

• -13x - 5

• 17x + 5

• 17x + 5

• -13x + 19

What is one point that lies in the solution set of the system of inequalities graphed?

• (0, 4)

• (-4, 1)

• (2, 4)

• (4, -1)

The function f(x)=3x+10 models the total cost Katie charges to babysit x amount of children. What is the most appropriate domain for the function?

• All rational numbers

• All integers

• All non-negative rational numbers

• All non-negative integers

Which function represents exponential decay?

• f(x) = 100(0.9)^x 

• f(x) = 10(1.09)^x 

• f(x) = 1.9^x

• f(x) = ½(9)^x

Given f(x) = -4x - 10 and f(x) = 10. Find x

• x = -5

• x = 5

• x = -50

• x = 30

In the formula, y=mx+b, "m" stands for what?

• The starting point

• Growth/ Slope

• A linear line

• "m" stands for math!

What is the formula for exponential growth?

• Starting amount times percentage rate raised to the power of time

• Starting amount times 1 plus time raised to the power of the rate

• Starting amount times 1 plus the rate (as a percent) raised to the power of time

• Starting amount times 1 plus the rate (as a decimal) raised to the power of time

Simplify the exponential expression.

• 2x⁶y¹²

• 2x⁵y⁷

• 8x⁶y¹²

• 8x⁵y⁷