Algebra

Question 1

when do you reverse the inequality sign?

Answer 1

multiply or dividing both sides of the inequality by a negative number

Question 2

sum,plus,and,added to,more than, increased by, combined with, exceeds, total, greater than

Answer 2

add

Question 3

difference between, minus, subtracted from, decreased by, diminished by, less than, reduced by

Answer 3

subtracted

Question 4

quotient, divided by, per, out of, ratio

Answer 4

division

Question 5

product, times, twice, double, triple, half

Answer 5

multiplication

Question 6

is, was, will be, the result, has, adds up to, costs, is the same as

Answer 6

equals

Question 7

FOIL

Answer 7

(x+4)(x+2) = X² + 6x + 8

Question 8

What is reverse FOIL?

Answer 8

a means to convert a quadratic from expanded to factored

(i.e. x² + 6x -16 to (x-2)(x+8))

Question 9

What two qualifiers determine the factors needed for reverse foil (factoring the polynomial)?

Ex: x² + 6x - 16

Answer 9

1) The product of the last terms will be -16
2) The sum of the outer and inner products will be 6x

What two numbers multiply to -16 and add to 6x? (x ) (x )