Math in Focus Chapter 8 Equations and Inequalities

Which is equivalent to 7 x 7 x 7 x 7 x 7 x 7 
?

• 7⁵
• 7⁶
• 6⁷
• 7⁷

solve the exponent 3⁴?

• 12

• 27

• 81

• 64

How would you represent 8⁶ ?

• 8 x 6
• 8 x 8 x 6
• 8 x 8 x 8 x 8 x 8 x 8
• 6 x 6 x 6 x 6 x 6 x 6 x 6 x 6

Solve the exponent . 2⁵

• 25

• 10

• 16

• 32

2 x 4 + 6÷ 3

• 10

• 2

• 3

• 7

(10 x 2) - 3² x 2

• 22

• 16

• 2

• 8

4.3 + 5 x (10 ÷ 2)

• 29.3

• 46.5

• 18

• 20.3

 Identify the variables in the following expression:  4x + 2y - 6

• 4, 2, -6
• -4 and x
• X and Y 
• -6

Identify the coefficient(s) of the expression. 3r²+4r+8

• Coefficient: 3, 4 , 8

• Coefficient: r²

• Coefficient: 3, 4, r²

• Coefficient: 3, 4

Identify the constant(s) of the expression. 3r²+4r+8

• Constant 8, 3

• Constant: 8 , 3r², 4r

• Constant: 8, 3, 4

• Constant: 8