ACP Review (7th-8th grade math)

Christine was playing a video game. She starting keeping track of how many hours she played (x) and her high score (y). Which statement must be true based on the graphed data?

• Before she started keeping track, each hour she played improved her score by 75 points.

• Before she started keeping track, each hour she played increased her score by 50 points.

• After she started keeping track, each hour he played improved her score by 75 points.

• After she started keeping track, each hour she played improved her score by 50 points.

2. Which relation is a function?

• {(–8, –13), (–7, 3), (5, –9), (–7, 18), (–4, 3), (0, –10)}

• {(–3, 2), (18, 9), (–19, 1), (5, 0), (1, 1), (–5, 9)}

• {(4, 14), (–2, –12), (–1, 6), (4, –17), (5, 6), (13, 0)}

• {(–9, –5), (–9, –16), (–9, 10), (–9, 9), (–9, 20)}

A bigger monster lurked in a bigger cylindrical trash can with a radius of 24 inches and a height of 48 inches. What is the volume of the can?

• 1,152𝜋 in³

• 6,912𝜋 in³

• 82,944𝜋 in³

• 27,648𝜋 in³

The number of monsters defeated is mapped to the x-axis, and the time in minutes is mapped to the y-axis. Which equation best represents the graph?

• y = 2.22x

• y = 45x

• y = 0.45x

• y = 100x

What is the length of the missing side?

• 29 mm

• 12.96 mm

• 37.58 mm

• 30 mm

Which value of x makes the following equation true.

4x + 12 = 13x - 15

• x = -4

• x = 4

• x = -3

• x = 3

Pokey was building a doomsday missile in an inevitably failed attempt to take over the world. What is the schematics area? (use 3.14 for Pi)

• 958.34 ft

• 831.17 ft

• 959.17 ft

• 472.97 ft

Ness and his friends were defeating the spherical manifestation of Giygas. The radius of the glowing sphere was 3/7 meters. What is the current volume of the life-consuming, malevolent sphere of death?

• (36/343)𝜋 m³

• (36/343) m³

• (27/343)𝜋 m³

• (27/343) m³

Which line represents:

y = 3x + 5

• Green

• Black

• Purple

• Blue

What is the rate of change represented in the table?

• 4

• -4

• 1/4

• -1/4