Practice Flashcards: SAT Math — equivalent expressions: factoring, expanding, exponents | Zestly

Question 1

Difference of two squares

Accepted Answer

$a^2 - b^2 = (a - b)(a + b)$

Question 2

Perfect square trinomial (sum)

Accepted Answer

$a^2 + 2ab + b^2 = (a + b)^2$

Question 3

Perfect square trinomial (difference)

Accepted Answer

$a^2 - 2ab + b^2 = (a - b)^2$

Question 4

Product rule for exponents

Question 5

Power of a power rule

Question 6

Negative exponent rule

Question 7

Fractional exponent rule

Question 8

Valid cancellation in fractions

Question 9

Invalid cancellation in fractions

Question 10

Substitution check

Question 11

FOIL method

Question 12

Quadratic factoring goal