vocabulary
chord
a segment hose endpoints lie on the circle
A magazine had 4000 subscribers at the end of the year 2003. The number of subscribers increased by 10% each year as compared with the previous year. Which of the following is closest to the number of subscribers at the end of the year 2006?
A) 4330 B) 4400 C) 5200 D) 5320
What is D) 5320?
√16 Divided by 4² Multiplied by 4
4
The circumference of Makayla's circular flower garden is 75 feet. Which of the following is closest to the diameter of her flower garden? A) 24 feet B) 12 feet C) 10 feet D) 5 feet
A)24
Denise has 5 blue pencils and 3 green pencils in a drawer. Denise took a blue pencil from the drawer and gave it to a friend. If she takes a second pencil from the drawer at random, what is the probability that the pencil she takes will be green? A) 1/2 B) 3/7 C) 3/8 D) 1/3
What is B) 3/7?
diameter
a chord that contains the center of a circle
Which of the following is equivalent to the expression below? x^2 + 3x - 28 A) (x-4)(x+7) B) (x+4)(x-7) C) (x-14)(x+2) D) (x+14)(x-2)
What is A) (x-4)(x+7)?
A cyclist covers a distance of 15 miles in 2 hours. Calculate his speed.
7.5 MPH
Eli is using a small paper rectangle and a large rectangle for an art project. The length of the small rectangle is half the length of the large rectangle. The width of the small rectangle is half the width of the large rectangle. The area of the small rectangle is how many times the area of the large rectangle? A) 1/4 B) 1/8 C) 1/16 D) 1/2
A)1/4
Jordan has four refrigerator magnets, each labeled with a different number. The numbers are 1,2,3, and 4. What is the total number of different 2-digit numbers Jordan could make with these magnets? A) 8 B) 10 C) 12 D) 16
What is C) 12
secant
a line that contains the chord
Jon 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. After the first reduction on Monday, the price of each set was $135. If Jon wants to wait until the first day that the price is $100 or less, on which day should he buy his tool set? A) Wednesday B) Thursday C) Friday D) Saturday
What is C) Friday?
A car takes 4 hours to cover a distance, if it travels at a speed of 40 mph. What should be its speed to cover the same distance in 2 hours?
What is 80 MPH
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)
Kelsey placed 5 CD's into her CD player. There are 12 songs on each CD. Kelsey set her CD player to select songs in a random order. What is the probability that the first song the CD player selects will be the 4th song on the 3rd CD?
What is 1 out of 60
congruent
circle with the same radius
Simplify the expression below: (3x^2 + 2x - 8) - (2x^2 - 4x + 7)
What is x^2 + 6x - 15?
A police car accelerates quickly to 60 meters per second. How long will it take the police car to finish 600 meters?
10 seconds
Point P(6,7) and Point Q(6,4) are plotted on the coordinate grid (HINT: Do this now.) Point P is rotated 180 degrees clockwise about point Q. What are the coordinates of the image of point P after this rotation? A) (3,4) B) (6,1) C) (6,10) D) (9,4)
What is B)(6,1)
Janessa will arrive at Leah's house at a time between 1 pm and 3 pm this afternoon. At 1 pm, Leah will begin to watch a two-hour television program. There are 15 minutes of commercials scheduled to be shown during each hour of the program. Assuming that Janessa's arrival time at Leah's house will be random, what is the probability that Janessa will arrive during a commercial?
what is 1/3
tangent
a line that lines in the plane of a circle that intersects the circle at exactly one point
A rectangle's area, A, is given by the equation A = x^2 + 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)
If a car takes 4 hours to cover 200 Miles, how many Miles Per Hour is the car going?
If you answer this correctly you get to answer the next one too.
60 mph
Rectangle ABCD is similar to rectangle EFGH. The length of each side of rectangle EFGH is 2.4 times the length of the corresponding side of rectangle ABCD. The perimeter of rectangle ABCD is 120 feet. What is the perimeter of rectangle EFGH?
What is 228 Feet?
The probability of randomly selecting a blue tile from a bag of tiles is 2/7. There are 12 blue tiles in the bag. What is the total number of tiles in the bag?
What is 42 tiles?