Algebra 2

The identity (y + a) (y +b) is

• y² + ( a - b )y + ab

• y² - ( a + b )y + ab

• y² + ( a + b )y - ab

• y² + ( a + b )y + ab

which are the binomials among these 5z -18xy² , 2zy , -z + 2ab , 3am 4ab -3xy +6y

• 5z -18xy²

• -z + 2ab , 3am , 5z -18xy²

• 5z -18xy² , -z + 2ab

• 5z -18xy² , 2zy , 3am

product of binomials (2p +5) and (4p - 3)

• 8p² +14p - 15

• 8p² - 14p - 15

• 8p² -14p + 15

• -8p² - 14p - 15

Addition of expressions 5m² +3m -8 , 4m + 7 - 2m² and 6 - 5m + 4m²

• 7m + 2m² + 5

• 7m - 2m² + 5

• 7m² + 2m + 5

• 7m² + 2m - 5

Mathematical Equivalence

ON

subtract 4a + 5b -3c from 6a - 3b + c

• 2a - 8b - 4c

• 2a + 8b + 4c

• 2a + 8b + 4c

• 2a - 8b + 4c

Subtract:  -6x²y from -10x²y

• 4x²y

• -4x²y

• 16x²y

• -16x²y

What is the product of (x² − y²) and (3x + 2y)?

• 3x³ − 2y³ + 3x²y + 3xy²

• 3x³ + 2y³ - 2x²y − 3xy²

• 3x³ − 2y³ + 2x²y − 3xy²

• 3x³ − 3y³ + 2x²y − 3xy²

A(n) _________ consist of one or more variables, numbers, and operations.

• numerical expression

• term

• coefficient

• algebraic expression

Which of the following is an algebraic expression?

• 8 - 5

• 13

• X -5