Algebra I Exam Review

Miscellaneous

100

This is the term for all of the x-values of a function.

What is the domain

200

The point where the function crosses or touches the x - axis

What is the x-intercept?

300

Add up all the values then divide by how many there are

What is how to find the mean?

400

For the given coordinates, {(0,5), (-2,7),(-2-1)}, state the domain and range.

What is D: {0,-2) & R: {5,-7,1}

Unit 1

100

The mean of the data:

5, 8, 13, 14, 15, 16, 18, 9, 19, 3

What is 12?

200

The median of the data:

9, 12, 14, 6, 2, 2, 8, 13, 11, 16, 1, 15, 1

What is 9?

300

The five-number summary of data

What is minimum, Q1, median, Q3 and maximum

Unit 2

100

The equation for slope-intercept form

What is y = mx + b?

200

3x + 2c = 12. Isolate x

What is x = -2/3c +4

300

Equations that have the same solution

What are equivalent equations?

400

x - 5x + 20 = 3x - 22 -14. The solution for x

What is x = 8

500

2x - 4y = 10

x + 5y = 26 

The solution to the system

What is  (11, 3)?

Unit 4

200

If f(x)=3x-5, then f(0) equals what?

What is -5?

300

If f(x)=2x+3, then f(-3) equals what?

What is -3

400

Let f(x)=-3x+2 and g(x)=5-x. Then f(x)+g(x) equals what?

What is -4x + 7

500

Let f(x)=-3x+2 and g(x)=-2x+9. Then f(x)-g(x) equals what?

What is -x - 7?

Unit 5

100

The equation for axis of symmetry

x = -b/2a

200

The name of the shape of a quadratic function

What is parabola?

300

The factored form of the quadratic:

x² - 12x - 64

What is (x - 16)(x + 4)?