Open Up Expressions and Equations

Which value of h makes h -2 = 4.6 a true statement?

• 8.2

• 10

• 6.6

• 2.6

Choose all the equations where y = 10 is a solution.

• y + 11 = 22

• 8 = 18 - y

• 60 = 6y

• 10y = 20

• y/5 = 2

Which expression is equal to 6⁴?

• 10

• 24

• 4⁶

• 6 x 6 x 6 x 6

Select all the equations where x = 3

• x - 3 = 0

• 1 + x = 2

• x² = 9

• 6 = 2x

• 1/5x = 3

Which expression is equivalent to 20c - 8d?

• 2(10c + 4d)

• 4(5c - 8d)

• 4(5c - 2d)

• c(20 - 8d)

2(c - 8)

• 2c - 16
• 2c + 16
• 2c - 8
• c - 16

5(a + 6)

• 5a + 6
• a + 30
• 5a + 30
• 5a - 30

5⁴=

• 20
• 625
• 1024

Which equation has x = 5 as the solution?

• x + 15 = 10
• 2x = 5
• 2x = 10

What is the correct step to solve for the variable?
15 = m - 5

• add 15 to both sides
• add 5 to both sides
• subtract 15 from both sides
• subtract 5 from both sides