Review for Semester 1

Data & Statistics

100

Find the mode

3,  5,  6,  8,  9,  9,  12,  15

9

200

Find the median

3,  5,  6,  8,  9,  9,  12,  15

8.5

300

Find the mean. Keep answer exact

3,  5,  6,  8,  9,  9,  12,  15

8.375

400

What does an outlier effect more--the mean, median or the mode?

mean

500

Find Q3

3,  5,  6,  8,  9,  9,  12,  15

10.5

Solving Equations

100

6x - 11 = 31

x = 7

200

5 + 2/3x = 25

x = 30

300

5x - 9 = 8x - 33

x = 8

400

5(x-2)-14 = 4+2(x-5)

x = -2/3

500

3(x - 4) + x = 4(x - 5) 

no solution

Absolute Value

100

Evaluate

|3-9|+4

10

200

Let x = 1 and y = -2

5|y - x|

15

300

Solve

|x + 4| = 10

{6, -14}

400

Write an absolute value equation that has no solution

| ____ | = negative number

500

3|2x + 1| = 33

{5, -6}

Functions & Relations

100

Draw a graph that is not a function.

Answers will vary

200

State the domain:

{(5, 3), (6, 0), (5, -2), (6, -2)}

D: {5, 6}

300

Sonya leaves work to head for home. Halfway home she remembers she left her phone at work so she has to turn around and get it. She ends up visiting with a coworker for a bit before heading home again.

Draw a graph showing Sonya's distance from home. Label your axes

teacher will check

400

f(x) = 3x² - 5x

find f(-2)

22

500

g(x) = 5x - 9

find 3[g(6)] + 2

65

Linear Equations

100

Draw a line that has an undefined slope

vertical line

200

What do we call vertical slope?

undefined

300

I had $55 in 2017 and this year (2023) my bank account is up to $730. What is the rate of change of my money over time. (include units)

$112.50 per year

400

What is the y-intercept of

3x - 5y = 35

-7

500

If a line has a y-intercept of -3 and no x-intercept, which type of line graph is this?

horizontal