Q1 CSA Review

Which expression describes 5 more than the square root of a number?

• 5 + √x

• √x+5

• 5 > √x

A computer repair company offers a diagnostic flat rate fee of $75, plus $1.50 per minute to repair the computer.  If m represents minutes, which expression could represent the cost of this computer repair service?

• 1.50 + 75m

• 75 + 1.50m

• 0.15 +75m

• 75 + 0.15m

Directions: Write your answer in the box. Use “–” for the negative sign if needed. Do not use spaces.

3 Evaluate the following when x = 125.

-|-8 + ∛x|

What is the value of the expression if a = 4, b = 27, c = -4, and d = -12.

What is the simplest form of this absolute value expression?

Solve the equation algebraically.

• The only solution is 8.

• The only solution is 0.

• The equation has infinite solutions.

• The equation has no solutions.

What is the solution to the equation below?

• x = 12

• x = 22

• x = 34

• x = 44

In order to eliminate the fractions from the following linear equation,

which of the following steps could be justified by algebraic properties?

• Multiply both sides of the equation by 4

• Add 1/2 to both sides of the equation

• Multiply both sides of the equation by 3

• Subtract 

  1/2 from both sides of the equation

• Multiply both sides of the equation by 8

Solve the following formula for l –

A = lwh

• l = A - wh

• l = (A-w)/h

• l = A / (wh)

• l = Awh