Graphing Linear Equations
Solving Linear Equations
(by graphing)
Rate of Change and Slope
Direct Variation
Arithmetic Sequences
100

The standard form of a linear equation is....

Ax+By=C

100

The x-intercept crosses my graph somewhere along the....

x-axis

100

The slope of a line is the ratio of the rise to run, also written as....

y-y/x-x

100

A direct variation is described by an equation of the form....

y=kx

100

What variable do we use to represent the common difference if we are looking at an arithmetic sequence?

d

200

A linear equations tells us that if I graphed the equation it would form a _____________

line

200

When we are solving for the y-intercept, we plug in "0" for what variable?

x

200

If we see a horizontal line on a graph, this tells me that the slope of this linear equation is:

ZERO / 0

200

In our equation for direct variation, the variable k represents what?

constant of variation

200

Determine whether the sequence is an arithmetic sequence. If yes, state the common difference

-40, -32, -24, -16...

Yes. d=8

300

Determine whether the following equation is a linear equation:

4xy+3y=2

NOT linear

300

Find the related function for the following linear function:

4x+2=0

y=4x+2

300

Find the slope of the line that passes through each pair of points:

(5,4) and (5,9)

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300

Every direct variation equation passes through what point on the graph?

the origin 

(0,0)

300

Find the next three terms of the arithmetic sequence

5, 8, 11, 14....

17, 20, 23

400

Rewrite the following linear equation so that it is written in standard form:

8y=9-2x

2x+8y=9

400

Solve the following linear function algebraically:

4x+2=0

x= -1/2
400

Find the slope of the line that passes through each pair of points:

(5,8) and (-3,7)

1/8

400

Suppose y varies directly with x. Write a direct variation equation that relates x and y if y=6 when x=9.

y=2/3x

400

What is our general equation for finding the nth term of an arithmetic sequence?

an=a1+(n-1)(d)

500

Find the x- and y-intercepts of the following linear function:

8y=3x+24

x-intercept: (-8,0) or -8

y-intercept: (0,3) or 3

500

The solution for a linear function is located at the....

x-intercept

500

Find the value of r so the line that passes through each pair of points has the given slope:

(r,2) and (6,3) with a slope=1/2

r= 4

500

If y= -5 when x= -2, what is y when x=14?

y=35

500

Write an equation for the nth term of the arithmetic sequence 1,3,5,7....

an=2n-1

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