Linear equations

1

-4y + 4x = 16 what is the slope?

y=3

Equation of a horizontal line passing through the point (4,3)

Slope

Parallel lines have the same...

y=2/3x+4

Rewrite -2x+3y=12 in slope-intercept form.

y=2/3x-5

Write the equation of the line containing the point (15,5) with a slope of 2/3.

y=-3x+4

Write the equation of the line containing the points (-2,10) and (7,-17).

y=-1/2x+5

Write the equation of the line containing the points (10,0) and (-4,7).

y=-1/3x-7

Write the equation of the line parallel to y=-1/3x+4 containing the point (12,-11).

y=1/2x+5

Write the equation of the line parallel to y=1/2x-8 containing the point (-4,3).

y=2x+3

Write the equation of the line parallel to y=2x-5 containing the point (-1,1).

y=3x-7

Write the equation of the line parrallel to y=3x+1 containing the point (5,8).

y=2x+4

Write the equation of the line perpendicular to y=-1/2x-6 containing the point (-3,-2).

y=3x+7

Write the equation of the line perpendicular to y=-1/3x-2 containing the point (1,10).

y=1/3x+4

Write the equation of the line perpendicular to y=-3x-6 containing the point (-6,2).

y=-1/2x-3

Write the equation of the line perpendicular to y=2x+7 through the point (8,-7).

the set of x coordinates of the ordered pairs of a relation.

domain

a relation where each number in the domain is paired with exactly one number in the range.

function

an equation whose graph is a line.

linear equation

a line that goes down as you look at it from left to right

negative slope

y=mx+b

slope-intercept form

is any value or values that make an equation or an inequality true.

solution

4

y-2=4(x+3) what is the slope?

point at which a line crosses the y-axis

y-intercept

the y-coordinate of the point where the line crosses the y-axis.

y-intercept

0

y=5x what is the "y" intercept?

17

g(x)=3x+2 what is g(5)

a line that goes up as you look at it from left to right

positve slope

the set of y coordinates of the ordered pairs of a relation.

range

determines if a graph is a function or not

vertical-line test

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

x-intercept

y=3/2x+3

Rewrite 3x-2y=-6 in slope-intercept form.

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Slope between (3,4) and (3, 8)

Opposite reciprocals

Slopes of perpendicular lines