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Vocabulary
Equations of a Line
Slope and y-intercept
Graph of a Line
Writing Equations of a Line
100

A linear equation written in point-slope form.

y−y1=y2-y1(x−x1)

100

Is (-3 , -14) a solution of y = 2x - 8?

YES or NO

YES, -14 = 2(-3) -8; -14=-14 correct

100

Which equation has a bigger slope?

A. 30x - 10y = 15

B. 28x - 4y = 20

C. 45x - 9y = 27

B. 28x - 4y = 20

100

In graphing -10x + 5y = 15, which of the following points is TRUE? 

A. Slope = -1/2 y-intercept =3

B. Slope = -2 y-intercept =-3/2

C. Slope = 2 y-intercept =3

C. Slope = 2 y-intercept =3

100

Write the equation of the line in slope-intercept form given(1,2) and (6,12)

y = 2x

100

 An equation whose graph is a line

Linear Equations

100

Find y when x = -3 in the equation: y = 5x

y = -15

100

Solve for slope when rise is 5 and run is -1

slope = -5

100

Describe the graph of the line: y = 4

horizontal

100

Solve for y: 2x + 2y = 4

y = -x + 2

200

the x-coordinate of the point where the line crosses the x-axis

x-intercept

200

Which of the following is not a solution of y = x + 3

A. (1,4)

B. (5,8)

C. (2,-1)

C. (2,-1)

200

Solve for slope given (2 , 6) and (8 , 10).

slope = 2/3

200

Describe the slope of a vertical line.

A. Positive                 B. Negative

C. Zero                     D. Undefined

D. undefined

200

Write the equation of the line in slope-intercept form given m = 2 and b = -1

y = 2m -1

300

The standard form of a linear equation is
___________________ where AA and BB are not both zero.


Ax+By=C

300

Which equation has a graph showing a horizontal line?

A. y = 5

B. x = -3

C. y = 3x

A. y = 5

300

Give the value of slope (m) and y-intercept (b) given the equation: y = 3x - 10

m = 3 and b = -10

300

Describe the slope of a horizontal line.

A. Positive                 B. Negative

C. Zero                     D. Undefined

C. Zero


300

Write the equation of the line given (2,3) and m =5

y-3 = 5(x-2)

400

The value of the ratio of the change in y (the rise) to the change in x (the run) between any two points, (x1,y1)(x1,y1) and (x2,y2)(x2,y2), on the line.

Slope

400

Which of the following lines passes through (0,5)?

A. y = -5

B. y = x+5

C. x = 5

B. y = x+5

400

Identify m and b given the equation: 10x - 2y = 8.

m = 5 and b = -4

400

Which of the following equations is a proportional relationship?

A. y = 4

B. y = x-2

C. y = 6x

C. y = 6x

400

Write the equation of the line in slope-intercept form given(3,5) andm = 5

y = 5x - 10