Algebra 1 - Topic 3 Equations & Functions

Fundamentals

1

The graph of an equation is the set of all its ordered pairs, which often forms a ________ or a __________.

What is a line or a curve?

2

The x-value is called the _____________ variable (because you pick it!)

What is independent?

3

Functions can also be represented by an ________ (or rule).

What is an equation?

4

The y-value is called the _________ variable because its value will _______ on the value of x.

What is dependent/depend?

5

The equation will generate ________ _____ by taking an _____ that results in a certain ______.

What is an ordered pair, input, and output?

Graphing functions

1

If y = x - 5, what would be the answer if x was 3, 7, and 9?

What is -2, 2, and 4.

2

If y=4x, what would -3, -1, 2, and 3 be?

What is -12, -4, 8, and 12?

3

If y=2x, what is -1, 0, 1, and 2?

What is -2, 0, 2, and 4?

4

If y = -x - 1, what would -3, -1, 0, and 1 be?

What is 2, 0, -1, and -2?

5

If y=1-3x, what is -2, -1, 0, and 2?

What is 7, 5, 1, and -5?

Fraction Functions

1

If y = 1/4 + 1, what is 0, 1, and 2?

What is 0, 4, 2?

2

If y = 1/2, what is -2, 0, 1, and 3?

What is -1, 0, 2, and 1.5?

3

If y = 3/4 + 1, what is -1, 2, and 4?

What is 0.25/.25, 2.5, and 3?

4

If y=-2/1, - 2, what is -2, 0, 2, and 3?

What is -2, -2, -6, and -8?

5

If -4/3, what is all of these rounded to the nearest 10th? -2, -1, 0, and 2?

What is 2.7, 1.3, 0, -2.7?  

Domains&Ranges

1

Y = x - 5; domain = 1,3,5

R = {-4, -2, 0}

2

Y = 4x - 3; domain -1,0,2,3

R= {-7,-3,5,9}

3

Y = 1/4x domain = 4,6,8?

R = {1, 1.5, 2}

4

y = 1/2 - 2; domain = 0,1,2,4

R = {-2, 0, -1, 0}

5

ROUND TO NEAREST TENTH IF NEEDED

 y = -4/3 + 2 domain; -1,0,1,9

1.3, 2, -1.3, 14

All in one

1

What is the name of the topic?

Equations & Functions

2

If y=4x, what would -3, -1, 2, and 3 be?

What is -12, -4, 8, and 12?

3

If y = 3/4 + 1, what is -1, 2, and 4?

What is 0.25/.25, 2.5, and 3?

4

y = 1/2 - 2; domain = 0,1,2,4

R = {-2, 0, -1, 0}

5

The graph of an equation is the set of all its ordered pairs, which often forms a ________ or a __________.

What is a line or a curve?