Algebraic Expressions

Identify the variable in the expression 5y+7?

• x

• 5y

• y

• 7

Identify the coefficient in the expression.
6y + 7

• 6y
• 7
• 6
• 1

Identify the constant in the expression.

6y + 7

• 6y

• 7

• 6

• 1

Identify the constant in the expression

3x - 9

• x

• y

• - 9

• 3x

In the expression 8x + 10, what is the 8 called?

• coefficient

• constant

• variable

• term

In the expression 8x + 10, what is the 10 called?

• coefficient

• constant

• variable

• term

In the expression 8x + 10, what is the x called?

• coefficient

• constant

• variable

• term

Evaluate 8a - b     if a = 10   and   b = 6

• 74
• 38
• 1000
• 9000

Evaluate 2a + 4b 
if a = 10     and    b = 6

• 20
• 24
• 44
• 4

Evaluate when a = 15:
2(a - 5) + 2

• 22
• 27
• 14
• 7