Reviewer Math Q1W2

If the area of the square placemat is (25𝑥²+10𝑥+1) square units, what is the length of its side?

• (−5𝑥+1) units

• (−𝑥+1) units

• (5𝑥+1) units

• (𝑥+1) units

Tags

CCSS.HSA.APR.C.4

Find the number if sixty-four less than the square of a certain number equals zero.

• 8 or -8

• 9 or -9

• 10 or -10

• 6 or -6

Tags

CCSS.8.EE.A.2

The square of a number equals three times that number. Find the number.

• 0 or 7

• 0 or 5

• 0 or 3

• 0 or 1

Tags

CCSS.HSA-REI.B.4B

The area of a square is 361 square inches, find the length of one side?

• 19 inches

• 14 inches

• 10 inches

• 7 inches

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What property of equality does a + b = b + a represent?

• distributive property

• cumulative property

• private property

• commutative property

Tags

CCSS.1.OA.B.3

The value of a in the trinomial 5x² -8x - 7 is -7.

• always true

• never true

• sometimes true

• maybe

What is the length of a rectangle whose area is 40m² and whose width is 5m? 

• 2 m

• 4 m

• 6 m

• 8 m

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of a square whose one side is (3x+5y)?

• 9x²-30xy+25y²

• 9x²-25y²

• 9x²+30xy+25y²

• 9x²+25y²

Tags

CCSS.HSA.APR.C.4

If 𝑎𝑏=0, then 𝑎=0 or 𝑏=0 or both. What property is this?

Tags

CCSS.8.EE.C.7A

Rewriting a polynomial as aproduct of polynomial factors or it is finding two or more factors of a number or polynomial is called _________________.