Exponents
What is the value of 4²?
What is 16
Write an expression for: “7 more than a number.”
What is x + 7?
In the expression 3x + 7, what is the coefficient?
What is 3?
Evaluate: x + 4 when x = 6
What is 10?
Combine like terms: 3x + 2x
What is 5x?
Are 2(x + 3) and 2x + 6 equivalent?
What is yes?
Evaluate 5³.
What is 125?
Write an expression for: “The product of 15 and the number of months (m).”
What is 15m?
What is the constant in 2x + 6?
What is 6?
Evaluate: 3x – 5 when x = 4
What is 7?
Use the distributive property: 2(x + 3)
Hint: a(b+c) = ab+ac
What is 2x + 6?
True or False: 4x – 3 and 3x – 4 are equivalent.
What is false
What does the expression 2⁴ mean?
What is 2 × 2 × 2 × 2?
Write an expression for: “Four times a number decreased by 9.”
What is 4x – 9?
Identify the like terms in 5y + 3 – y + 2.
What are 5y and –y, 3 and 2?
If a = 2 and b = 5,
evaluate 2a + 3b
What is 2(2) + 3(5) = 4 + 15 = 19?
Are these equivalent? 4x + 6 and 2(2x + 3)
What is yes?
Which expressions are equivalent?
A) x + x and 2x
B) 3x – 1 and 3x + 1
What is A) x + x and 2x
Which is greater: 3⁴ or 4³?
What is 3⁴ = 81 > 4³ = 64?
Translate: “The cost is $25 plus $10 per month.”
What is 25 + 10m?
How many terms are in the expression: 4a – 3b + 2?
What is 3?
Evaluate: b³ – 4x ÷ 8 – 3a
when a = 2, b = 3, x = 8
What is 27 – 4 – 6 = 17?
Simplify the expression: 2x + 4 – x + 3
What is x + 7?
If x = 2, are x + 5 + x and 2x + 5 equivalent?
Yes, both = 9
If b = 3, what is the value of b³ – 1?
What is 26?
A student earns $5 per chore (c), plus a $10 weekly allowance. Write the total expression.
What is 5c + 10?
Name the coefficients and constants of this expression: 3x + 4 – 2x + 6
Coefficients: 3, –2; Constants: 4, 6
If a = 3, b = 4, x = 2, evaluate: 3a + b² – 2x
What is 9 + 16 – 4 = 21?
Which expression is equivalent to 5(x – 2)?
A) 5x – 2
B) 5x – 10
C) x – 10
D) 5x + 2
What is B) 5x – 10?
Which expression is NOT equivalent to 2(x + 4)?
A) 2x + 8
B) 2x + 4
C) x + x + 8
D) 2(4 + x)
What is B) 2x + 4?