Linear Equations
Systems of Equations
Solving Equations
Percents, Proportions, Conversions
Potpourri
100
What is the slope of the line?
1/4
100
What is the solution to the following system?
5x+3y= -13
x+4y= 11
(-5, 4)
100
r= -24
100
A baseball pitcher won 80% of the games he pitched. If he pitched 35 ballgames, how many games did he win?
28 games
100
Simplify the following expression:
-3x(x-1)+5(-3-2x)
-3x2-7x-15
200
What is the slope intercept form of the equation?
x-2y= -8
y= 1/2 x + 4
200
What is the sum of the solution?
-3x+6y=9
8x-4y=0
(1,2)
200
-6v+22=7(-5v-4)-8
v= -2
200
A model statue is 30 in tall. If it was built with a scale of 5 in: 2 ft, then how tall is the real statue?
12 ft
200
Ms. Wolf bought a new phone that was originally $400. She waited for a sale and got 20% off her new phone. How much did Ms. Wolf pay?
$320
300
If f(x) = 2x2+1, what is the value of f(-2)?
9
300
What is the solution?
-10y=7x+5
24x=64-14y
(5, -4)
300
5(4p-3)=-34+p
p= -1
300
A random sample of 60 plants are exposed to bacteria to determine the effect on the plants' growth. The growth of 4 of the plants in the sample was noticeably affected by the bacteria. If 531 plants of this species are exposed to the bacteria, about how many plants can be expected to have noticeably affected growth?
35 plants
300
What is the slope of a line perpendicular to 2x-3y=8
-3/2
400
What is the equation of the line?
y= 7/2 x - 4
400
What is the product of the solution?
-16-2y+8x=0
-72-27x=9y
(0,-8)
400
Half of your baseball card collection got wet and was ruined. You bought 6 cards to replace some that were lost. How many did you begin with if you now have 36?
60
400
Torque, a twisting force that may cause rotation, can be measured using units of foot-pounds or of newton-meters. Specifications require a certain bolt be tightened to a torque of 150 foot-pounds. What is the torque specification rounded to the nearest whole newton-meter? (1 newton-meter is approximately 0.738 foot-pound)
203 newton-meters
400
Write the equation in standard form:
x-2y= -6
500
Walter goes to the movies with his friends. They each buy a ticket and share a popcorn. If two people go, it costs $23. If three people go, it costs $31. How much does the popcorn cost?
$7
500
Nicole and Imani are selling pies for a school fundraiser. Customers can buy blueberry pies and pumpkin pies. Nicole sold 4 blueberry pies and 1 pumpkin pie for a total of $76. Imani sold 1 blueberry pie and 3 pumpkin pies for a total of $63. How much would it cost to buy 2 blueberry pies and 2 pumpkin pies?
$62
500
z= m-x+y solve for x
x= -z+m+y
500
x= 22.5
500
Erick's school is selling tickets to the annual talent show. On the first day of ticket sales the school sold 8 adult tickets and 14 students tickets for a total of $244. The school took in $44 on the second day by selling 5 adult tickets and 1 student ticket. How much does the student ticket cost?
$14