Remote Learning March 19

These are the factors of 12:

1, 12

2, 6

3, 4

Which pair of factors adds to 8?

• 1 + 12 = 8

• 2 + 6 = 8

• 3 + 4 = 8

These are the factors of 16:

1, 16

2, 8

4, 4

Which pair of factors adds to 17?

• 1 and 16

• 2 and 8

• 4 and 4

Find TWO numbers that:

MULTIPLY to 10

and

ADD to 7

(type the smaller number first)

Find TWO numbers that:

MULTIPLY to 28

and

ADD to 11

(type the smaller number first)

Find TWO numbers that:

MULTIPLY to 20

and

ADD to 9

(type the smaller number first)

Find TWO numbers that:

MULTIPLY to 18

and

ADD to 11

(type the smaller number first)

What are the solutions?

(x - 7)(x - 12) = 0

• x = -7, -12

• x = 7, 12

• x = 0

• cannot be determined

What are the solutions?

-8(x + 4)(x - 3) = 0

• x = -8

• x = 4, -3

• x = -4, 3

• x = 0

What are the solutions?

3x(x + 9) = 0

• x = 0, -9

• x = 3, 9

• x = 3, 0, 9

• x = -9

Factor:

x² - 49

• (x + 49)(x - 49)

• x - 7

• x(x - 49)

• (x + 7)(x - 7)