Product of Sum and Difference

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Algebra identity quiz

Created by

Randy Lloyd Villegas

Philippines

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Froggy Jumps Product of Sum and DifferenceOnline version Algebra identity quiz by Randy Lloyd Villegas 1 Expand (x+y)(x−y). a x^2 + y^2 b x^2 − y^2 c x^2 − 2xy 2 What is (a+b)(a−b) equal to? a a^2 − b^2 b 2ab c a^2 + b^2 3 If (m+n)(m−n)=? a m^2 + n^2 b mn − n^2 c m^2 − n^2 4 Which form is a difference of squares? a (a+b)^2 b (a+b)(a−b) c a^2 − b^2 = 2ab 5 Simplify (3x+2)(3x−2). a 9x^2 + 4 b 9x^2 − 12x+4 c 9x^2 − 4 6 What is the product (p+q)(p−q) used to factor? a Difference of cubes b Difference of squares c Sum of squares 7 If (t−s)(t+s) = 7, which is correct? a t^2 + s^2 = 7 b t^2 − s^2 = 7 c t^2 − s^2 = −7 8 Which identity matches a^2 − b^2? a (a+b)(a−b) b (a−b)^2 c a^2 + 2ab + b^2 9 Choose the expanded form of (2a+5)(2a−5). a 4a^2 −10a b 4a^2 − 25 c 4a^2 + 25 10 What does (x+y)(x−y) simplify to? a x^2 − 2xy b x^2 + y^2 c x^2 − y^2

Froggy Jumps

Product of Sum and DifferenceOnline version

Algebra identity quiz

by Randy Lloyd Villegas

Expand (x+y)(x−y).

x^2 + y^2

x^2 − y^2

x^2 − 2xy

What is (a+b)(a−b) equal to?

a^2 − b^2

2ab

a^2 + b^2

If (m+n)(m−n)=?

m^2 + n^2

mn − n^2

m^2 − n^2

Which form is a difference of squares?

(a+b)^2

(a+b)(a−b)

a^2 − b^2 = 2ab

Simplify (3x+2)(3x−2).

9x^2 + 4

9x^2 − 12x+4

9x^2 − 4

What is the product (p+q)(p−q) used to factor?

Difference of cubes

Difference of squares

Sum of squares

If (t−s)(t+s) = 7, which is correct?

t^2 + s^2 = 7

t^2 − s^2 = 7

t^2 − s^2 = −7

Which identity matches a^2 − b^2?

(a+b)(a−b)

(a−b)^2

a^2 + 2ab + b^2

Choose the expanded form of (2a+5)(2a−5).

4a^2 −10a

4a^2 − 25

4a^2 + 25

What does (x+y)(x−y) simplify to?

x^2 − 2xy

x^2 + y^2

x^2 − y^2

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Product of Sum and Difference

Froggy Jumps

About this activity

Created by

Download the paper version to play

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Product of Sum and DifferenceOnline version

by Randy Lloyd Villegas

Expand (x+y)(x−y).

What is (a+b)(a−b) equal to?

If (m+n)(m−n)=?

Which form is a difference of squares?

Simplify (3x+2)(3x−2).

What is the product (p+q)(p−q) used to factor?

If (t−s)(t+s) = 7, which is correct?

Which identity matches a^2 − b^2?

Choose the expanded form of (2a+5)(2a−5).

What does (x+y)(x−y) simplify to?

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