Functions
Slope
Linear Equations
Writing Equations
Systems and Inequalities
100

What is a function?

Relation where every x is paired with only one y.

100

How to find slope from 2 points

100

y-intercept of the function y = 4x - 6

-6

100

Write the equation of the line through (0, 7) and having a slope of -2/3.

y = -2/3 x + 7

100

Is the point (-2, 1) a solution to the following system of equations?

x - 2y = 0

2x + 3y = -1

No

200

What is the domain of a function?

What is the range of a function?

Domain: the x's

Range: the y's

200

Slope of this line: 

-2

200

y-intercept of the function 2x - 5y = -10

2

200

Write the equation of the line passing through the points (4, 1) and (0, 6).

y = -5/4 x + 6

200

Solve by graphing:

4x + y = 6

y = 1/3 x - 7

(3, -6)

300

Is this a function?

(4, -6); (3, -2); (8, 5); (7, -1); (3, 2)

No, the x-value 3 is paired with 2 y-values (-2 and 2)

300

Slope of this line:  2x - 3y = 9

2/3

300

x-intercept of the function 2x + 5y = -10

-5

300

Equation of the vertical line through the point (4, 7).

x = 4

300

Is (5, 3) a solution to the inequality 2x - 3y < -1

No

400

If f(x) = 3x - 6, find f(-3).

-15

400

Slope of the line passing through (5, -1) and (2, -4)

1 or 1/1

400

Equation of the line shown: 

y = 1/2 x - 2

400

Equation of the line parallel to y = 5x + 6 and passing through the point (0, -8).

y = 5x - 8

400

If 2x + 3y ≤ 9, would you shade above or below the line?

Below

500

If f(x) = 2x + 5, find x when f(x) = 7

x = 1

500

Line with undefined slope

vertical line

500

Equation of the line shown:  

y = 3

500

Equation of the line perpendicular to 2x + y = 1 and passing through the point (0, 5)

y = 1/2 x + 5

500

Graph y > 3