Unit Test — Unit test Answers

The table represents the multiplication of two binomials.

The expression 40x2 – 65x + 50 represents the sum of the interior angles of a regular pentagon in degrees. If the interior angles of the pentagon are equal, which expression represents the measure of two angles?

The polynomial 2x3 − 5x2 + 4x − 10 is split into two groups, 2x3 + 4x and −5x2 − 10. The GCFs of each group is then factored out. What is the common binomial factor between the two groups after their GCFs have been factored out?

Adi used algebra tiles to represent the product .

What is the sum of the polynomials?(7x3 – 4x2) + (2x3 – 4x2)

The revenue, in dollars, of a company that makes toy cars can be modeled by the polynomial 3x2 + 4x – 60. The cost, in dollars, of producing the toy cars can be modeled by 3x2 – x + 200. The number of toy cars sold is represented by x.

The expression y2 – 10y + 24 has a factor of y – 4. What is another factor of y2 – 10y + 24?

Which expression is equivalent to ?

Which are factors of x2 – 4x – 5? Select two options.(x – 5)(x – 4)(x – 2)(x + 1)(x + 5)

The formula for the area of a parallelogram is A = bh, where b is the base and h is the height.

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Which algebraic expression is a polynomial with a degree of 2?

Tomas learned that the product of the polynomials (a + b)(a2 – ab + b2) was a special pattern that would result in a sum of cubes, a3 + b3. His teacher put four products on the board and asked the class to identify which product would result in a sum of cubes if a = 2x and b = y.

What is the factored form of the polynomial?x2 – 16x + 48

Which is true about the polynomial –3xy2 + 5x2y?

What is the cube root of 8x27?

What is the greatest common factor of 8x and 40y?

Leonora is factoring a trinomial. The factors of the trinomial are shown on the model.

Which expression is equivalent to ?

Which terms could have a greatest common factor of 5m2n2? Select two options.m5n55m4n310m4n15m2n224m3n4