Advance Math

A bar model represents the equation x+5=12. What is the value of x?

• 6

• 7

• 8

• 9

Answer explanation

In the expression 3x+4, which of the following is a constant?

• 3

• x

• 4

• None

Answer explanation

If a=2 and b=3, what is the value of 2a+3b?

• 12

• 13

• 14

• 15

Translate “twice the sum of a number and five” into an algebraic expression.

• 2x + 5

• 2(x + 5)

• x + 5

• 2x - 5

Which of the following is not a property of equality?

• Reflexive property

• Transitive property

• Associative property

• Symmetric property

Solve for x in terms of y given the formula: 3x+4y=12.

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Which equation represents “the sum of a number and 8 is equal to twice the number”?

• x + 8 = 2x

• x + 2 = 8

• x - 8 = 2x

• x + 8 = x

Solve for x: 5x−3=2x+9.

• x=4

• x=3

• x=2

• x=6

A rectangle has a length of 3x+5 and a width of x+2. Find the expression for its perimeter. Perimeter = P=2(L+W)

• 8x + 14

• 4x + 10

• 6x + 14

• 8x +10

If the area of a square is represented by x² - 4x + 4, what is its side length? A=S²

• x + 2

• x - 2

• x - 4

• x + 4