Jessica has $63.50 she wants to spend on CDs, which are on sale for $13.50 each. Use an equation to find out how many CDs she can afford to buy.
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You are driving to visit a friend in another state who lives 700 miles away. You are driving 65 miles per hour and have already driven 375 miles. Write and solve an equation to find how much longer in hours you must drive to reach your destination.
700h − 375 = 65; h = 0.63
65h + 375 = 700; h = 5
65h + 375h = 700; h = 1.6
65h − 375h = 700; h = 16.5
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Find the slope
7/5
5/7
-7/5
-5/7
Write the equation of a line that goes through the points (1, 3) and (-1, -5).
y = 4x - 1
y = 4x - 11
y = x/4 - 1
y = x/4 - 11
Write the equation of the line.
y= -1x-3
y=-1/3x-1
y= -3x-1
y= -3x-3
A line with 0 slope looks like...
A horizontal line
A vertical line
A slanted line
a coordinate pair
Which equation does not have a y-intercept of (0, -4)?
x+y=-4
x+4y=16
3x-2y=8
6x-3y=12
Which equation does not have a y-intercept of (0, -4)?
x+y=-4
x+4y=16
3x-2y=8
6x-3y=12
What is standard form ?
y=mx+b
y2-y1/x2-x1
Ax+By=c
y-y1=m(x-x1)
What is standard form ?
y=mx+b
y2-y1/x2-x1
Ax+By=c
y-y1=m(x-x1)
Given the slope and y-intercept, write the equation of a line in slope-intercept form b=4 m = -½
y= 4x-1/2
y=-1/2x + 4
-1/2y=4
y=1/2x+4
Given the slope and y-intercept, write the equation of a line in slope-intercept form b=4 m = -½
y= 4x-1/2
y=-1/2x + 4
-1/2y=4
y=1/2x+4
Find the slope of the line through points (12, -18) and (11,12)
1/30
-30
30
6/1
In the equation y=mx+b, what does the m represent?
