Alg 2 Midterm Reviewer

An absolute value equation produces the table below. At which interval is the function increasing?

• (-∞, 0)

• (-∞, -2)

• (0, ∞)

• (-2, ∞)

The table shows the amount Nichole earned (in dollars) babysitting for x number of hours. What is the equation for f(x)?

• f(x) = 15x

• f(x) = 7x

• f(x) = 7x + 8

• f(x) = 5x + 10

A game of darts involves throwing darts at a target. James is practicing and so far has hit the target 10 out of 20 times. He wants to bring his average of hitting the target to 75%. Which equation should James use to find the number of darts, n, that should hit the target consecutively to bring his average to 75%?

The table shows the values of two functions \(p(x)\) and \(q(x)\) for different values of \(x\). What are the \(x\)-values of the solutions to the equation \(p(x) = q(x)\)?

• -1 and 1

• -5 and 2

• 3 and 5

• 8 and 12

The two triangles shown have the same perimeters. What is the perimeter of each triangle?

• 2 units

• 6 units

• 28 units

• 76 units

Based on the prices shown in the table, an 18-inch diameter pizza will cost how much?

• $12.00

• $12.50

• $13.75

• $15.00

Drag the appropriate inequality into the space provided to complete the sentence. Amari can spend at most $40 at the fair. It cost her $12 to enter the fair and $3 per ticket, t, to ride the rides. The inequality ______ represents the amount of money Amari has left to purchase tickets after she enters the fair.

• 28 ≤ 3t

• 28 ≥ 3t

• t ≤ 25

• t ≥ 25

• 40 ≥ 3t

Which table(s) of input and output values represent(s) a function? Select ALL that apply.

• A, B, C

• B, D, F

• A, C, E

• C, D, F

The formula for the area of a trapezoid is shown, where $ h $ is the height of the trapezoid, and $ a $ and $ b $ are the lengths of the parallel sides. What is the equation for the height $ h $ of a trapezoid in terms of the area $ A $?

Susan walks to school each day. At the beginning of the school year, it takes her 22 minutes to get to school. Each month, it takes Susan 1.2 minutes fewer to reach school. Which equation shows the relationship between the number of minutes $ y $ it takes Susan to walk to school and the number of months $ x $ school has been in session?

• y = -1.2x

• y = 1.2x

• y = 1.2x + 22

• y = -1.2x + 22