Linear equations and inequalities
If x/5=3, what is the value of x?
15
Video games create a sense of motion by displaying still images, called frames, in rapid succession. A popular video game displays 60 frames per second. Which of the following equations shows the total number of frames, f, that the video game will display in s seconds?
f=60s
3x+y=8
y=4x-6
What ordered pair satisfies the system of equations?
(2,2)
If r - 14 = 23, what is the value of r?
37
What part of the brain connects directly to the spinal cord?
The cerebellum
If -30 + k = 22, what is the value of k?
52
The expression 62.4d-210 gives the number of Indian rupees received in exchange for d US dollars at the local currency exchange. How many Indian rupees are received in exchange for 13 US dollars? Round the answer to the nearest whole number.
601
2x+3y=5
4x-3y=1
If (x,y) satisfies the system of equations, then what is the value of y?
1
y=-3x+5
6y=-18x+30
Consider the given system of equations. How many (x,y) solutions does this system have?
Infinitely many solutions
Who was the first person to walk on the moon?
Neil Armstrong
If k + 22 = 29, what is the value of k?
7
Poppy the dog weighs p pounds, and Yumi the cat weighs y pounds. If Poppy weighs 36 more pounds than Yumi does, which of the following equations correctly describes the relationship between their weights?
p-y=36
x-3y=-8
x=-2y-3
Which ordered pair (x,y) satisfies the system of equations?
(-5,1)
If 5x = 9, what is the value of x?
9/5
What planet is so un-dense that it can float in water?
Saturn
If x/6=3, then what is the value of x?
18
Bethany sells roses and petunias. The expression 3r+2.5p gives the cost, in dollars, of r roses and p petunias. What is the cost, in dollars, of 7 roses and 8 petunias?
$41
3x+2y=6
6x+4y=12
Consider the given system of equations. How many (x,y) solutions does this system have?
Infinitely many solutions
Luis and Kelly have a total of 32 dollars. If Luis has x dollars and Kelly has y dollars, what equation best models this relationship?
x+y=32
Who is on the $20 bill?
President Andrew Jackson
If x - 9 = 1, then what is the value of x?
10
Lois and Clark own a company that sells wagons. The amount, in dollars, they pay each of their sales employees is given by the expression 12h+30w, where h is the number of hours worked and w is the number of wagons sold. What is the amount, in dollars, paid to an employee who works 6 hours and sells 3 wagons?
$162
x+3y=2
4x-3y=23
The given system of equations has solution (x, y). What is the value of x?
5
The expression 12g gives the number of kilometers a car can travel using g liters of gasoline. How many kilometers can this car travel on 5.5 liters of gasoline?
66
Who wrote the Star Spangled Banner in 1931?
Francis Scott Key