TNReady Review April 19, 2024

Which equation represents the line that passes through the points (4, 6) and (2, -4)?

• y = −x + 10

• y = −5x + 26

• y = x + 2

• y = 5x − 14

A car with an initial velocity of 25 miles per hour begins to accelerate at a constant rate. The table shows the elapsed time after the car begins to accelerate and the velocity of the car at a particular time.

• V(t) = 5t + 25

• V(t) = 10t + 25

• V(t) = 25t + 5

• V(t) = 25t + 10

Tags

CCSS.HSF.LE.A.2

CCSS.8.F.B.4

A radio station charges an initial fee for broadcasting advertisements, plus a rate based on the length of the advertisement in seconds. The table below shows the total charges for advertisements of different lengths.

• c = 2n + 210

• c = 3n + 180

• c = 4n + 120

• c = 5n + 150

Tags

CCSS.HSF.LE.A.2

CCSS.8.F.B.4

The table shows the cell phone bills for the first 6 months of the year. Which equation can be used to determine a, the amount of the bill as a function of d, data usage?

• a = 7d + 40

• a = 27d

• a = 40d + 7

• a = 0.143d + 50

Tags

CCSS.HSF-LE.A.1B

Which equation represents the line that passes through the points (4, 8) and (2, -6)?

• y = x + 4

• y = 7x - 20

• y = -x - 12

• y = -7x + 36

Which equation represents the line that passes through the points (7,8) and (3, -4)?

• y = x + 1

• y = 3x - 13

• y = -x + 15

• y = -3x + 29

Which equation represents the line that passes through the points (4, 7) and (−2, −2)?

• y = 3/2x + 13

• y = 3/2x + 17

• y = 3/2x + 1

• y = 3/2x − 3

Which function represents exponential decay with 5% as the rate of decrease?

• y = 50(1.05)^x

• y = 50(0.95)^x

• y = 50(1.5)^x

• y = 50(0.05)^x

Tags

CCSS.HSF-IF.C.8B

Brittany buys a car for $32,000. The value of the car depreciates by 10% every year. Which function represents the value of the car, in dollars 3 years from its purchase?

• y = 32,000(0.9)^3

• y = 32,000(0.9)^x

• y = 32,000(10)^3

• y = 32,000(0.1)^3

Tags

CCSS.HSF.LE.A.2

A car mechanic charges an initial fee to inspect a car plus an hourly rate to repair the car if no new parts are needed. The total charges for the inspection and repair of cars with no new parts needed are shown in the table below. The Mechanic's Bill Number of Hours Worked | Total Charges 1 | $50 2 | $85 3 | $120 4 | $155 Which equation best represents the linear relationship between y, the total charges in dollars, and x, the number of hours the mechanic worked?

• y = x + 35

• y = x + 60

• y = 35x + 25

• y = 35x + 60

Tags

CCSS.HSF.LE.A.2

CCSS.8.F.B.4