Solving Equations
Percents and Proportions
Writing Linear Equations
Evaluate the Function
Systems of Equations and Inequalities Preview
100
4x - 2 = 6
x = 2
100
10% of 50
5
100
Write an equation for the line
y=1/2x +3
100
find f(-3)
f(x)=2x+1
-5
100
Solve this system of equations:
y=x-2
y=-2/3x+3
(3,1)
200
2(3 + 2x) = -18
x = -6
200
50 is what percent of 200
25%
200
Write an equation of the line
y=-3x-2
200
Find f(5).
f(x)=x^2+7
32
200
What is the solution to this system of equations? State your answer as an ordered pair.
(3,-2)
300
x - 2 = -3(6 - 3x)
x = 2
300
125% of 90
112.5
300
what is the slope of the line?
m = -1/2
300
Find x, when f(x) = -46
f(x) = 5x + 14
-12
300
What is the solution?
(5,2)
400
Evaluate (20-t)/3 = 5
t = 5
400
What percent is 30 of 3?
10%
400
Write an equation for the graph below:
y= 1/2x - 4
400
Find x, when f(x)= -63
f(x)=-8x-7
7
400
Is the point a solution to the system?
No, it's on the dotted line
500
4x - 8 = -4(11 + 2x)
x = -8
500
What percent of 50 is 47?
94%
500
Write an equation for the graph below: 
y = 3/2x + 3
500
Find f(2)
f(2) = -3
500
Is the point a solution to the system?
Yes! This point lies in the shaded region.
600
-7 - 3x = 2(3 - 2x)
x = 13
600
1/4=x/20
x=5
600
m=1
600
Find x if f(x) = 3
x = 0
600
Is (0,0) a solution to the system of inequalities below?
No! The point (0,0) lies outside of the shaded region.
700
6(6n - 2) = 8n - 40
n = -1
700
1/7=2/(d-2)
d=16
700
Write the equation in slope intercept form
3x + 4y = 8
y= -3/4x+2
700
Find 2f(3)
f(x) = 4x2 -1
70
700
A
800
-4(-8p + 1) = -4 - 8p
p=0
800
8/(c+28)=4/c
c=28
800
What is the equation for a line that has a slope of 0 and a y-intercept of -3?
y = -3
800
find f(2) + g(-4)
f(x) = 5x - 9
g(x) = (x/2) + 3
2
800
Mr. Santos, the curator of the children's museum, recently made two purchases of firing clay and poly clay for a visiting artist to sculpt. On Tuesday he bought 5 bogs of firing clay and 24 boxes of poly clay for $64.05. On Wednesday he bought 25 bags of firing clay and 8 boxes of poly clay for $51.45.
Create the systems of equations to represent this situation. Then solve.
5x + 24y = 64.05
25x + 8y = 51.45
(1.29, 2.40)
900
-5(8n - 4) - n = - 16 - 5n
n=1
900
1/(s+2)=9/(s-6)
s=-3
900
Write the equation in slope intercept form
4x - 3y -15 = 4
y= 4/3x-19/3
900
Find f(2)/g(2)
f(x) = 5x -2
g(x) = -2x
-2
900
Jeremy and Kendrick each bought snacks for their friends at a skating rink. Jeremy bought 4 bags of popcorn and 2 plates of nachos for $18.50. Kendrick bought 7 bags of popcorn and 2 plates of nachos for $26.75
Write the systems of equations.
4x + 2y = 18.50
7x + 2y = 26.75
(2.75, 3.75)