positive & negative
numbers
linear
equations
long division
system of
equations
function
100
-12+(-22)
-34
100
Evaluate the following expression when x=4: 4x+6
22
100
4/112
28
100
find x and y : 5x-6y= -32 3x+6y= 48
x = 2 y = 7
100
x y 0 2 5 0 ? −8 35 ?
x y 0 2 5 0 25 −8 35 -12
200
-63+(-12+2)
-73
200
Simplify the following expression: 6t−2t+20
4t+20
200
8/400
50
200
Solve for x and y using elimination. x−4y=−7 −x+5y=10
x= 5 y= 3
200
If x⊕y=x2−3y2, find −2⊕3.
−23.
300
24+17-(-12+29)
24
300
Solve for k: k+27=19
-8
300
5/315
63
300
Solve for x and y using substitution. −2x−2y=−10 x=−4y+2
x= 6 y= -1
300
A car rental charge is $100 plus $0.30 per mile traveled. Determine the equation of the line that represents the cost by the number of miles traveled.
y = 100 + 0.3x
400
As Ashley prepared for her daily sledding practice, she heard on the radio that the temperature was 23 degrees below zero. After a long day of sledding she saw that the temperature was now 3 degrees. By how many degrees had the temperature increased?
26
400
If a+b+c=10 and x+y+z=−1, what is 3a−7z+3c−7y+3b−7x?
37
400
9/598
66R4
400
Sebastian bought 3 slices of cheese pizza and 4 slices of mushroom pizza for a total cost of $12.50. Patricia bought 3 slices of cheese pizza and 2 slices of mushroom pizza for a total cost of $8.50. What is the cost of one slice of mushroom pizza?
One slice of mushroom pizza costs $2.00
400
If x†y=x(y−5), find −5†0.
25.
500
Michael was scuba diving 37 meters below sea level when he spotted a beautiful fish below. To take a proper photograph, Michael dove 31 meters until he was level with the fish, staring into its eyes. Where was the fish relative to sea level?
-68
500
Which expressions are equivalent to 6l+5m−3n ? -3n+6l−5m -5l+3(m−2n) -3(2l−n)+5m
-3(2l−n)+5m
500
9/692
76R8
500
Nick has a collection of grasshoppers and butterflies. He has 561 insects in all. The number of grasshoppers is twice the number of butterflies. Find the number of each type of insect that Nick has
There are 187 butterflies and 374 grasshoppers.
500
The function f(x) is defined as f(x)=x2+25−−−−−−√ Find the value of f(12). What is the value of x in this problem?
f(12)=13
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