Solve the equation
(x+2)/5=10
25
Draw the shape of a linear function
A line
Find the slope of the graph:
2/3
Identify the solution to the system graphed:
(-3, -1)
Identify the slope and y-intercept from the equation:
f(x)=10x+2
y-int=2, m=10
Solve the equation:
2(x+3)=3(2x-5)
21/4
Draw a sketch of the function
x^2
u shape
Find the slope using the two points.
(2, 3), (5, 9)
2
Identify where f(x)=g(x)
(-1, 1)
Identify the slope and y-intercept of the graph:
2/3, 1
Solve the inequality:
-2/3x>10
x<-15
draw a sketch of an absolute value function
v shape
Calculate the slope using
f(3)=-5, f(-2)=4
-9/5
Solve.
x-y=4
x=21/5, y=1/5
Identify if this is a function and how you know.
yes, passes vertical line test
Solve.
abs(2x+3)=-7
No solution
Draw a shape of the function
f(x)=x
a line
Identify the slope from the equation:
y=-5x+10
-5
Find f(x)=g(x) when f(x)=y=3x-7, g(x)=-1/2x+5/2
x=19/7, y=16/7
Which coordinate would you need to take out to make this a function?
(0, 1), (2, 5), (8, 9), (10, 9), (-2, 5), (2, 5), (0, 10)
(0, 10) OR (0, 1)
Solve.
abs(2x+3)=abs(4x-5)
4, 2/6 or 1/3
Draw a shape of the function
y=abs(x)
v shape
Identify the slope from the equation:
2y+4x=3
-2
What would the first step be for solving this by elimination?
-4x+6y=-10, 4x+2y=1
Add the equations
Identify all positive intervals:
(-3, -1), (2, inf)