Topic 1 Study Guide

Sonia has completed 14 levels of a video game and has 9 points so far in her current level. If Sonia has a total of 331 points, which equation can be used to find the number of points she earned for completing each level?

• 9x – 14 = 331

• 9x + 14 = 331

• 14x – 9 = 331

• 14x + 9 = 331

Tags

CCSS.HSA.CED.A.3

Select all the values of x that make the equation |7x – 5| – 13 = 0 true.

What are the solutions of this equation? [3x + 3] – 21 = 0

• –6 and 8

• 6 and –8

• 6 and –6

• 8 and –8

Tags

CCSS.7.EE.B.4A

LaTanya buys 5 yd of blue fabric and 8 yd of green fabric for $62. The blue fabric costs $2 more per yd than the green fabric. What would be the combined cost of 1 yd of each fabric?

• $6

• $9

• $10

• $14

Tags

CCSS.8.EE.C.8C

Find the values of x in this equation. 14 + |4x + 10| – 32 = 0

• 7

• 2

• -2

• 4

• -7

Rewrite the formula s = a + lw for w in terms of s.

Tags

CCSS.HSA.CED.A.4

Tags

CCSS.HSA.CED.A.4

Tags

CCSS.HSA.CED.A.4

Part B Find the height of a square pyramid with V of 60 cm3 and base side length s of 6 cm.

Tags

CCSS.HSG.GMD.A.3

• A

• B

• C

• D