POLYNOMIALS (Unit 1a review)

What type of solution does 25 gives?

• 1 double root

• 2 irrational roots

• 2 imaginary roots

• 2 rational roots

                                                                                                                                                                                Consider the polynomial: 3x² - x - 10. What is the product of the coefficient of the quadratic term and the middle term?

• -3

• -30

• -1

• 3

Simplify : 6(x - 1) - 2(x - 5)

• -4x - 4

• • x - 4

• -x + 4

• 4x + 4

Simplify (7m-3)²

• 14m² + 42m - 9

• 49m² - 42m + 9

• 49m² + 9

• • - 49m + 9

Factor the polynomial completely

36m²  + 6m  

• 6m(6m + 1)

• 6m + 1

• 6m

• m + 1

What is the number added to the trinomial

x² -8x + ___

to make it a perfect square trinomial?

• 8

• 4

• 16

• 25

Find the solutions of the equation below by completing the square.

x² + 8x – 12 = 0

Factor out 3a² – 6a – 24 

• 3(a - 4)(a - 2)

• 2(a - 2)(a - 4)

• 3(a - 4)(a + 2)

• -3(a - 2)(a + 4)

Whic equation has -3 and 4 as the roots?

• x² - x - 12

• x² + x - 12

• x² - x + 12

• x² + x + 12