A quantity which can change. Letters are often used to represent this.
What is a variable?
100
This is the name given to the maximum or minimum point (turning point) on a parabola.
What is the vertex?
100
This is the length of the hypotenuse of a triangle with legs that measure 30 cm and 40 cm.
What is 50 cm?
100
This type of probability is determined by repeating an experiment and observing the outcomes.
What is empirical (or experimental) probability?
100
If h represents the height of a rider in inches, this is the algebraic translation of "All riders must be at least 48 inches tall."
What is h ≥ 48?
200
This is what you get when you simplify -3x – (-x)
What is -2x?
200
This is the slope of a line parallel to the line with the equation y = –2x + 11.
What is –2 ?
200
This is the formula for the area of a circle.
What is Π r2?
200
This is the probability of rolling a die twice and getting an odd number both times.
What is 1/4?
200
This is the correct translation of "Eight less than three times a number, n, is greater than fifteen."
What is 3n – 8 > 15?
300
This expression represents 16 less than 5 times a number, n.
What is 5n – 16?
300
This is the formula to find the axis-of-symmetry.
What is x = –b/2a?
300
The legs of an isosceles right triangle each measure 10 inches. This measurement represents the length of the hypotenuse of this triangle, to the nearest tenth of an inch.
What is 14.1 inches?
300
The number of songs fifteen students have on their MP3 players is:
120, 124, 132, 145, 200, 255, 260, 292, 308, 314, 342, 407, 421, 435, 452 This value is the 3rd quartile.
What is 407?
300
Mr. Irons is having a picnic for 78 guests. He plans to serve each guest at least one hot dog. If each package, p, contains 8 hot dogs, this inequality represents the number of packages of hot dogs Mr. Irons needs to buy.
What is 8p ≥ 78 or p ≥ 10 ?
400
This is the value of x that satisfies the equation 3(x – 4) = 4x + 4
What is -16?
400
This is the point on the graph where x = 0.
What is the y-intercept?
400
The rectangle shown below has a diagonal of 18.4 cm and a width of 7 cm. This measurement represents the length of the rectangle to the nearest centimeter.
What is 17?
400
This is a shortcut for remembering the difference between qualitative and quantitative.
What is qualitative - quality, quantitative - quantity?
400
Tamara has a cell phone plan that charges $0.07 per minute plus a monthly fee of $19.00. She budgets $29.50 per month for total cell phone expenses without taxes. This number is the maximum number of minutes Tamara could use her phone each month in order to stay within her budget.
What is 150 minutes?
19 + 0.07m ≤ 29.50
0.07m ≤ 10.50
m ≤ 150
500
These two values of x makes the expression x/(x2 – 9) undefined.
What are 3 and -3?
500
These are the "roots" of the quadratic equation y = x2 + 7x – 10.
What are –5 and 2?
500
A rectangle has an area of 24 square units. The width is 5 units less than the length. This number represents the length of the rectangle.
What is 8?
500
This is the probability of picking 2 green marbles from a bag of 3 blue, 4 green and 3 red marbles.
What is 12/90 or 2/15?
500
This is the solution for the inequality −2x + 5 > 17.