Algebra basics

Simplify 3a + 4b + 2a + 5b.

• 7a + 7b

• 5a + 9b

• 14ab

• None of the above

Tags

CCSS.7.EE.A.1

Simplify -9x + 5y + 8x - 4y.

• x - y

• -x + 9y

• 0

• -x + y

• None of the above

Tags

CCSS.7.EE.A.1

Simplify 2(a + 1) - (a + 2).

• 3a + 3

• a - 1

• a + 4

• a

• None of the above

Tags

CCSS.7.EE.A.1

What does 3² mean?

• 3 x 2

• 3 x 3

• 2 x 2 x 2

Tags

CCSS.6.EE.A.1

Expand 2(4X-7)

• 8x-14

• 8x-7

• 6x+7

• 8x+14

Tags

CCSS.7.EE.A.1

Solve for x:
8x - 10 = -34

• 4
• 3
• -3
• -24

Tags

CCSS.7.EE.B.4A

Solve:
7x - 3x - 8 = 24

• 8
• -8
• 3.2
• 4

Tags

CCSS.8.EE.C.7B

What is the product of -4 and 5?

• 1

• -9

• -20

• -1

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the difference between 48 and -6?

• -8

• 54

• -42

• -1/8

Tags

CCSS.7.NS.A.1C

Mark and Jenny are both late for Math Olympiad. Who should get punished?

• Mark

• Jenny

• Both

• It's ok to be late for Math Olympiad