Evaluate Expressions Algebra 3

Identify the terms, coefficients, and constants of the expression. 3r²+4r+8

• Terms: 3r², 4r, 8    Coefficient: 3, 4   Constant 8, 3

• Terms: 3r², 4r, 8    Coefficient: r²     Constant: 8 

• Terms: 3r²     Coefficient: 3, 4, r²     Constant: 8

• Terms: 3r², 4r, 8   Coefficient: 3, 4    Constant: 8

Three times a number increased by nine

• 3h-9

• 3(h-9)

• 3(h+9)

• 3h+9

Name the coefficient of 9h + 12

• 6

• 12

• 9

• 1

What are the variables of 7x+6y-9

• 6,7

• 9

• 6y, 7x

• x, y

• A

• B

• C

• D

Find the value of the expression.

• -12

• 12

• 14

• -14

Write a linear expression for the perimeter of the figure. Then find the perimeter of the figure if x = 3.

• 6x − 8; 10 yd

• 10x − 6; 24 yd

• 16x − 8; 40 yd

• 14x − 8; 34 yd

What expression does this number line represent?

• 4n - n

• 2n + n

• 8n - 2n

• 16n - 4n

• $400

• $275

• $5

Evaluate expression: 5a + b for a= 6 and b= 3

• 33

• 36

• 30

• 59