Variations
Write the equation to the following information:
If y is directly proportional to x, and y =17.5. What does k = when x = 21?
What is k=.833
write the transformation:
f(x)= 1/x-3 + 2
What is right 3 and up 2
Factor completely
x2 - 64
what is (x-8)(x+8)
3√x+8 simplify
already simplified
√25x2
Simplify
5x
Find k to the following: If y varies jointly with y and z. When y = 90, x = 2, and z = 9.
What is k=5
what is the transformation: f(x)= 4/x+1
What is stretch 4 and left 1
Factor completely
u3 + 1
What is (u+1)(u2-u+1)
3√x-4=2
solve for x
x=12
√36y2
6y
The time it takes to fill a water tank varies inversely with the water rate of the hose. At 8 gallons per minute, a hose can fill the tank in 45 minutes.How long will it take to fill the same tank at 15 gallons per minute? Write the equation you will use
What is T=360/15
The volume of a pyramid varies jointly with its height and the area of its base. A pyramid with the height of 16 feet and a base of 78 square feet has a volume of 416 cubic feet. If a pyramid has a base area of 102 square feet and a volume of 238 cubic feet, find its height.
Write the equation.
What is 238=(1/3)(h)(102)
Factor completely
8a2+27
What is (2a+3)(4a2-6a+9)
3√2x+1=3
x=13
√72x2y2
6xy
The volume of a pyramid varies jointly with its height and the area of its base. A pyramid with the height of 16 feet and a base of 78 square feet has a volume of 416 cubic feet. If a pyramid has a base area of 102 square feet and a volume of 238 cubic feet, find its height.
What is 238=(1/3)(h)(152)
what is the transformation:
f(x)= -3/x-2 - 2
What is stretch 3, reflect x, right 2, and down 2
Factor completely
250x3-128
What is 2(5x-4)(25x2+20x+16)
3√x3+27
x+3
√200x4y2
10x2y
The cost to print flyers for the opening of an art show varies directly with the number of copies printed. It cost $45 to print 750 copies. Write the equation for the total cost for 120 additional copies. (you may use 120 for JUST the additional or 870 to include the original AND the 120 additional)
What is 7.2=(.06)(120)
Write the equation of the rational function that...
...vertically stretched by 4, shifted left 2, shifted up 2.
What is f(x) = 4/(x-2) + 2
Factor completely
864u3-500
What is 4(6u-5)(36u2+30u+25)
3√x+5-2=0
x=3
√500x6y4
10x3y2