EXPONENTS & POWERS
What is 102 x 103?
105
Solve: 2x + 3 = 9
x = 3
Is this a function? (Each input has one output)
Yes
What type of transformation flips a shape?
Reflection
A shirt is $20 with 5% tax. What is the total?
$21
What is (23)2?
26
Evaluate f(x) = 4x - 5 for x = 2
3
What is the output if f(x) = 2x and x = 3?
6
A shape is turned 90 degrees clockwise. What transformation is this?
Rotation
You earn $8/hour. How much for 6.5 hours?
$52
Simplify: 50
1
What is the slope of y = 3x + 2?
3
Which of the following is NOT a function?
A) y = 2x
B) (3, 4), (3, 5)
C) A table where each x has one y
D) f(x) = x²
B
What transformation slides a shape to a new position?
Translation
If a car travels 60 miles in 2 hours, what is the speed?
30mph
What is the value of 32 + 42?
25
The equation y = -x + 5. What is the y-intercept?
5
Which set of ordered pairs represents a function?"
A) (1,2), (1,3), (2,4)
B) (3,5), (4,5), (5,6)
C) (2,1), (2,1), (3,4)
B
What transformation changes the size of a shape?
Dilation
A rectangle is 4 in. by 6 in. What is the area?
24 square inches
What is 24/22?
22
Solve: 3(x - 2) = 12
x = 6
Can a vertical line represent a function? Why or why not?"
No — A vertical line fails the vertical line test because it hits more than one point for the same x-value.
Reflect a triangle over the x-axis. What happens to the y-values?
They become negative
You save $12 from $60. What percent did you save?
20%