Alg 1

Number Sequence

100

What is the next number in the sequence: 2, 4, 6, 8, ___?

10

200

What type of sequence is this: 5, 10, 15, 20, ...?

Add 5

300

Find the 7th term in the sequence: 3, 6, 12, 24, ...

192

400

What is the common difference in the sequence: 11, 7, 3, -1, ...?

-4

500

What is the formula for the x term of the sequence: 2, 6, 18, 54, ...?

2(3)^x

Exponential Functions

100

What is the value of 2³

8

200

Which function is exponential: y=2^x or y=2x?

y=2^x

300

If y=3^x, what is y when x=4?

81

400

What is the initial value of y=5(2)^x?

5

500

What is the equation of an exponential function that quadruples and an initial value of 7?

y=7(4)^x

Absolute Value Functions

100

What is |-7|?

7

200

What is the vertex of the graph y=|x|?

(0,0)

300

Solve for x: |x|=9

x=9 or x=-9

400

What translation happens in y=|x-2|?

Move Right by 2

500

Write an equation for an absolute value function with vertex at (3, -2).

y=|x-3|-2

Domain and Range

100

What variable is the domain of y=x

x

200

Range is inputs or outputs?

Outputs

300

What is the Domain of These numbers

Inputs: -2, 0, 3, 11

Outputs: -1, 5, 14, 38

-2, 0, 3, 11

400

Which axis do we look at for range?

Y-axis

500

Can you have the SAME NUMBER more then once in OUTPUTS/RANGE

YES

Linear Functions

100

What is the slope of the line y=3x+2?

3

200

What is the y-intercept of y=-4x+7?

7

300

Write the equation of a line with slope 2 and y-intercept -5.

y = 2x - 5

400

Find the slope between the points (2, 5) and (4, 9).

2

500

If a line passes through (0, 0) and (3, 12), what is its equation?

y = 4x