Polynomials & Word Problems
A magazine had 4000 subscribers at the end of the year 2004. The number of subscribers increased by 10% each year as compared with the previous year. What is the number of subscribers at the end of the year 2007?
What is 5324?
What is the max height of a rocket launched straight upward that follows the path h=-5t2+200t?
What is 2000?
The circumference of Phuong's favorite circular roller skating rink is 75 feet. Which of the following is closest to the diameter of the rink? A) 24 feet B) 12 feet C) 10 feet D) 5 feet
What is A) 24 feet?
Jon is playing with a 3x3 Rubik's Cube with a side length of 3 inches. What is the volume of the cube?
What is 27 in3?
The three criteria for a quadrilateral being a rectangle?
What is:
1. All angles 90 degrees
2. Opposite sides are congruent
3. Opposite sides are parallel
Simplify: (x2y2)-2(xy2)4
What is y4
A linear system of two equations with no solutions.
What is parallel lines (or similar)?
Steph has a hula-hoop that broke into pieces. One piece only makes up 1/5 of the original hula-hoop. If the original shape had a diameter of 39 inches, what is the length of the remaining arc from the Hula-hoop?
What is 24.492 inches?
Jay is playing an emulation of an old Kirby game and noticed that Kirby has a diameter of 10 pixels. If Kirby is in the shape of a sphere, what is the volume of Kirby in pixels? Round your final answer to the nearest hundreth.
What is about 523.6 (or close estimate) cubic pixels?
Segment AB has one endpoint at A(2,5) and its midpoint is at (4,0). What are the coordinates of B, the other endpoint of AB? A) (2, -5) B) (3, 2.5) C) (6, -5) D) (6, 2.5)
What is C) (6, -5)?
Zuleika wants to buy a tool set that is on sale at a hardware store. The price of each tool set will be decreased by 8% each morning just before the store opens. The sale will last for 7 days, or until all the sets are sold. On Monday, the price of each set was $135. What will the price be on Friday?
What is 96.713 (or equivalent)?
Factored form of x2-10x+25
What is (x-5)2?
Luis bought a fresh pie and shared it with a couple friends. If the pie was cut into sections with a central angle of 45 degrees for each piece and the radius of the pie is 4 inches, what is the area of each piece?
What is 6.28 inches?
A shadow 16 meters long is cast by a billboard that is 12 meters tall. If a redwood tree close by casts a shadow 12 meters long, how tall is the redwood tree?
What is 9 meters?
The volume, V, of a cylinder with radius r and height h can be found using this equation, V = πr2h. Correctly rewrite the equation to solve for r.
What is √(V/πh)
Simplify the expression below: (3x2 + 2x - 8) - (2x2 - 4x + 7)
What is x2 + 6x - 15?
The transformations that must be applied to y=x2 to create the graph of y=-2(x-4)2+16
What is move right four units, up 16 units, vertical stretch by a factor of 2 and reflect about the x-axis?
Triangle ABC is inscribed in a circle with diameter of 10 inches, where line segment AC is the diameter. If angle CAB is 30 degrees, what is the measure of angle ACB?
What is 60 degrees?
Ronnie is hiking in a state park when he spots a brightly colored bird in a distant tree. Ronnie is 60 feet away from the tree, and the bird is perched on a branch 22 feet above the ground. Ronnie is 5 feet tall. What is the angle of elevation, in degrees, of Ronnie's line of sight to the bird?
15.82 or about 16
Consider this expression. (x)( 5√x4)
Which of the following is equivalent to the expression for all positive values of x?
What is x9/5
A charity is trying to raise $200,000 by holding a benefit concert. The charity's volunteers have already raised $64,000 from ticket sales, and each ticket sold brings the volunteers $125 closer to their goal. The lead volunteer wants to figure out how many more tickets must be sold until they will have raised more than half of their goal. Write an inequality what can be used to solve this problem, where x represents the number of tickets the volunteers still need to sell.
What is 125x + 64,000 > 100,000
Aziah says that a rectangle's area, A, is given by the equation A = x2 + x - 6. Which of the following could represent b, the length of the base of the rectangle, and h, the height of the rectangle?
A) b = (x-3); h=(x-2)
B) b = (x-3); h=(x+2)
C) b = (x+3); h=(x+2)
D) b = (x+3); h=(x-2)
What is D) b = (x+3); h=(x-2)
Brett and her friends are playing a game of lawn darts and want to set up a target for the darts to land in. The inner edge of the ring has a radius of 24 inches, and the outer edge has a radius of 30 inches. What's the area of the ring itself? (use the pi button not 3.14)
What is 1,017.88 in2?
Ronald has spherical glass marbles of different sizes in his collection. His biggest marble has a radius of 1.2 centimeters. Most of his marbles are smaller, with a volume 1/4 that of the biggest one. What is the radius of a smaller marble?
What is 0.76 (or close)?
Name the snowman in Frozen
Who is Olaf