Unit Test — Unit test Answers

Stacey has a square piece of cloth. She cuts 3 inches off of the length of the square and 3 inches off of the width. The area of the smaller square is the area of the original square. What was the side length of the original square?A = s2

Which function has the domain ?

A rectangular pan has a length that is the width. The total area of the pan is 432 in.2. What is the width of the cake pan?A = lw

If x2 + mx + m is a perfect-square trinomial, which equation must be true?

Use completing the square to solve for in the equation .

Which phrase represents the algebraic expression 5x - 9?

Vanessa uses the expressions (3x2 + 5x + 10) and (x2 – 3x – 1) to represent the length and width of her patio. Which expression represents the area (lw) of Vanessa’s patio?

Which expression is equivalent to ?

What is the cube root of ?

Use the zero product property to find the solutions to the equation x2 + x – 30 = 12.

Randy divides (2x4 – 3x3 – 3x2 + 7x – 3) by (x2 – 2x + 1) as shown below. What error does Randy make?

What is the product?

Which statement about –2h2 – 15h – 7 is true?

Which equation is the inverse of ?

What is the quotient of (x3 – 3x2 + 3x – 2) ÷ (x2 – x + 1)?

Which algebraic expression represents the phrase “seven more than half of a number”?

What is the factored form of ?

What is the completely factored form of p4 – 16?

A 5 inch × 7 inch photograph is placed inside a picture frame. Both the length and width of the frame are 2a inches larger than the width and length of the photograph. Which expression represents the perimeter of the frame?

Use the zero product property to find the solutions to the equation 6x2 – 5x = 56.