Factors and Roots

Factor completely
k²+7x+10

• (k+2)(k+5)

• (k-2)(k-5)

• (k+10)(k+4)

• (k+2)(k-5)

If the roots of a quadratic equation are 6 and 2, what are the factors?

• (x + 6)(x + 2)

• (x - 6)(x - 2)

• (x + 6)(x - 2)

• (x - 6)(x + 2)

If the roots of a quadratic equation are {3, -5), which of the following could be the factors? Check all that apply.

• (X + 3)

• (X - 3)

• (X + 5)

• (X - 5)

What are the x- intercepts?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

Which choice lists all the factors for the number 24?

• 2, 3, 4, 6, 8, 12, 24

• 2, 3, 4, 6, 8, 12, 24, 36

• 1, 2, 3, 4, 6, 8, 12, 24

• 1, 2, 4, 5, 6, 8, 12 ,24

These factors are for which number? 1, 3, 5, 15

• 15

• 5

• 3

• 25

determine which is square root of 144

• 11

• 10

• 12

• 14

Write 140 as the product of its prime factors

• 2x2x5x7

• 2x2x2x2

• 3x2x3x5

• 7x9x5x2

find the highest common factor of 84 and 35

• 3

• 7

• 9

• 5

Find the GCF of 64 and 144

• 8

• 6

• 16

• 2