QUADRATICS
LINEAR FUNCTIONS
PROBABILITY
POTPOURRI
100
An equation of the axis of symmetry of the parabola represented by y = −x^2+ 6x − 4 is:
What is x = 3?
100
Find the slope between (4,3) and (3,8).
What is -5?
100
Kimberly has 5 pair of pants and four shirts. Find out how many different outfits can Kimberly wear.
What is 20?
100
The property that is illustrated by the equation x + y = y+x is:
What is the commutative property?
200
Find the roots of the equation x^2 + 10x + 21 = 0
What is -3 and -7?
200
Find the equation of the line between (4,5) and (4,8).
What is x = 4?
200
When Kimberly bought her new car, she found that there were 60 different ways her car could be equipped. Her choices included four choices of engine and three choices of transmission. If her only other choice was color, find out how many choices of colors she had.
What is 5?
200
Given: U = {1,2,3,4,5,6,7,8} B = {2,3,5,6} Set B is a subset of set U. The complement of set B is:
What is {1,4,7,8}?
300
The vertex and axis of symmetry of the parabola y = x^2 − 16x + 63 are
What is vertex: (8,−1); axis of symmetry: x = 8?
300
Find the slope of the line whose equation is -3y = 5x - 4.
What is -5/3?
300
The faces of a cube are numbered from 1 to 6. If the cube is rolled once, find the outcome of getting a prime number.
What is 3/6?
300
The legs of an isosceles right triangle each measure 10 inches. The length of the hypotenuse of this triangle, to the nearest tenth of an inch is:
What is 14.1?
400
An equation of a parabola that has the equation y = 2x^2 + 8x - 3.
What is x = -2?
400
Find the ordered pair from below that is a solution of the equation 3x + y = 17. [A] (2, 5) [B] (5, 1) [C] (5, 2) [D] (1, 5)
What is C?
400
You toss a coin 30 times and get 12 heads. The experimental probability of getting heads is:
What is 2/5?
400
Jack wants to replace the flooring in his rectangular kitchen. He calculates the area of the floor to be 12.9 square meters. The actual area of the floor is 13.2 square meters. The relative error in calculating the area of the floor, to the nearest thousandth is:
What is .023?
500
Solve the following system of equations graphically and state the coordinates of all points in the solution set. y = x^2 + 4x − 5 y = x − 1
What is (-4, -5) and (1,0)?
500
If 3x + y = -10 and x - y = 2, find the value of x.
What is -2?
500
The Grimaldis have three children born in different years. a Draw a tree diagram or list a sample space to show all the possible arrangements of boy and girl children in the Grimaldi family. b Using your information from part a, find the probability that the Grimaldis have three boys?
What is 1/8?
500
A right triangle contains a 40° angle whose hypotenuse measures 10 centimeters. The length of the opposite side, to the nearest hundredth of a centimeter is:
What is 6.43?