When solving an inequality, when should you reverse the inequality symbol?
What is when you multiply or divide by a negative
100
What is the range of the function f(x) = x^2 - 3 when the domain is: D = (-5, -3, -1)
What is R = (22, 6, -2)
100
Given y = 3^x, evaluate y when x = 3. (x is the exponent)
What is 27
200
5c - 4 - 2c + 1 = 8c + 2
What is c = -5
200
Solve for x: x² = 81
What is +9, -9
200
Solve: 2x - 5 > x - 2
What is x > 3
200
Given f(x) = 5 - 2x, solve for x if f(x) = 7
What is -1
200
The graph of y = 2^x lies in which Quadrants? (x is the exponent) ...hint: put in your calculator---use^ to put in exponent
[1] I, II [2] I, III [3] I, IV [4] II, III
What is 1. I, II
300
Solve: 3(2x - 1) + 12 = 4(x + 1/4)
What is -4
300
How many algebra tiles are used to solve (3x - 4)(x + 5)?
What is 42
300
Which set of points is in the solution set for the system of inequalities: x - y > 1 and y < 2x - 1.
[1] (-1, -1) [2] (-2, -1) [3] (0, 1) [4] (0, -2)
What is 4. (0, -2)
300
If the point (5, y) is a solution to the equation x - 2y = 7, what is the value of y?
What is -1
300
24/(2x -1) = 72/(2x + 1) Set up as a proportion on your paper --It wouldn't let me do "stacked" fractions :) Solve for x
What is 1
400
Solve for y: xy - d = m
What is y = (m + d)/x
400
Solve for y: 2y^2 + 4 = 9y
What is (1/2, 4)
400
Which value of x is in the solution set of the inequality: -2x + 5 > 17 ?
[1] -8 [2] -6 [3] -4 [4] 12
What is 1. -8
400
The domain of the function 5x + 7 = f(x) when the range is -13, -8 and 7.
What is Domain: -4, -3, 0
400
Solve: 6(x - 1/3) - 5 < 5(x - 2) + 2
What is x < -1
500
Solve: 0.7x + 2(x - 3) = 0.2x + 3
What is 3.6
500
Given 2x^2 + 7x + 3, find the solutions and the vertex (x, y) to the nearest HUNDREDTH.
What is Solutions: -3, -1/2 and Vertex (-1.75, -3.13)
500
Explain in your own words, precisely how to graph the following inequality-------y < -(1/2)x + 4
What is Graph the y-intercept 4 on the y-axis, use slope (down 1, right 2) to graph more points. Draw a DOTTED line, shade down.
500
If the domain of the function f(x) = 2x + 5 is restricted to -3 < x < 3, what is the range of the function?
What is -1 < y < 11
500
Which point is a solution to this quadratic system? y = x^2 + 4x +3 and y = 2x + 6
[1] (-3,0) [2] (1,-8) [3] (3,0) [4] (0,-3)