(5, 7) and (3, 6)
1/2
If f(x)= -3x + 9, solve for f(-5)
24
Find the value "r" given:
m = 2
pt 1 (r, 3) and pt 2 (5,9)
r = 2
What is the x value of all y intercepts?
0
What types of slopes do perpendicular lines have?
opposite reciprocal
dashed or solid?
shade above or below?
y>=3x-2
solid, above
(2, 5) and (8, 1)
-2/3
If f(x) = 3x2 - 8, solve for f (2).
4
Find the value "r" given:
m = 1/2
pt 1 (r, 2) and pt 2 (6,3)
r= 4
Is this a function?
No
what type of slopes do parallel lines have
same slope
dashed or solid?
shade above or below?
y<2x
dashed, below
(5,1) and (-4,1)
0
If f(x) = -x3, solve for f(-2)
8
f(x) = -11
What is the value of "x"
2
Abby makes $225 for 3 days and makes $825 for 11 days. What is the average rate of change? (aka slope)
$75
Are these lines parallel perpendicular or neither?
y=2/3x+5
y=2/3x
parallel
dashed or solid?
shade above or below?
2x-y >3
dashed, below
(0,8) and (0,-7)
Undefined
If f(x)= -3x2 + 2x4, solve for f(-1)
-1
Find the value "r" given:
m = 3/4
pt 1 (3,5) and pt 2 (-3,r)
r = 1/2
What is the x intercept and the y intercept?
y=2x+9
y int: (0,9)
x int: (-9/2,0) or (-4.5,0)
Are these lines parallel perpendicular or neither?
y=-x+2
x+y=2
neither, they are the same line
dashed or solid?
shade above or below?
2x+3y>=9
solid, above
What does slope mean?
Rise/Run
or How steep a line is
or (y2 - y1)/(x2 - x1)
How can you determine if a graph is a function or not?
Use the vertical line test
Find the value "r" given:
m = -4
pt 1 (12,10) and pt 2 (-2,r)
r = 66
What is the x intercept and the y intercept?
y=3x-12
y int: (0,-12)
x int: (4,0)
Are these lines parallel perpendicular or neither?
y=-1/3x-8
y=3x+1
perpendicular
dashed or solid?
shade above or below?
x>=5
solid, shade RIGHT (this is a vertical line)