Show:
Chapter 1, 1.2-1.3
Chapter 1, 1.4-1.5
Chapter 2
Chapter 3
Chapter 5
100
Evaluate the following expression: x+5-4(x-3) for x=8
What is -7
100
Solve the inequality. 3x-12<3
What is x<5
100
Find the slope of the line through the pair of points. (-2/3, 2/5) and (-3/4, 1/2)
What is -6/5
100
Solve the system by substitution. 4x+3y=4 2x-y=7
What is (2.5, -2)
100
Determine whether the function is linear or quadratic and state the linear, quadratic, and constant terms. y=3x(x-2)
What is quadratic. Quadratic term: 3x^2 Linear term: -6x
200
Solve 3x-7(2x-13)=3(-2+9)
What is x=64/5 or 12.8
200
Solve the inequality. 6+5(2-x)>41
What is x=-5
200
Suppose f(x)=4x-2 and g(x)=-2x+1. Find the value of f(2)/g(-4)
What is 2/3
200
Solve the equation by elimination. 3x+7=15 5x+2y=-4
What is (-2,3) pg. 127
200
Find a quadratic function that includes each set of values. (1,-2), (2,-4), (3,-4)
What is y=x^2-5x+2
300
Evaluate the expression 4(2m-n)-3(2m-n) for m=-15 and n=-18
What is -12
300
Solve the inequality. 17-2y<5(7-3y)-15
What is y<3/13
300
Find an equation for the line through (-2,3) and perpendicular to y=-3x-1
What is y=1/3x+11/3
300
Solve the equation by substitution. x+6y=2 5x+4y=36
What is (8,-1)
300
Find the vertex and axis of symmetry for the following equation. y=x^2-2x-3
What is axis of symmetry=1 and vertex=(1,-4)
400
Simplify by combining like terms. 4(2x+y)-2(2x+y)
What is 4x+2y
400
Solve 3|4w-1|-5=10
What is w=3/2 or -1
400
Find the point-slope form of the equation of the line passing through the points (-8,-4) and (6,-8)
What is y+4=-2/7(x+8)
400
A youth group with 26 members is going skiing. Each five chaperones will drive a van or a sedan. The vans can seat seven people and the sedans can seat five people. How many of each type of vehicle could transport all 31 people to the ski area in one trip?
What is 2 sedans, 3 vans
400
Find the minimum value of the function. y=3x^2+12x+8
What is minimum=(-2,-4)
500
Evaluate the expression |2z+3|+|5-3z|; z=-3
What is 17
500
Solve 6|2x+5|=6x+24
What is x=-1 or -3
500
Analyze the slopes, state whether the graphs of the following equations are parallel, perpendicular, or neither. 3y=x+12 and -3x+y=-2.
What is neither (slopes are 1/3 and 3, therefore not parallel and not opposite reciprocals, meaning they're not perpendicular).
500
Solve the system by elimination. x-3y+3z=-4 2x+3y-z=15 4x-3y-z=19
What is (5,-2,1)
500
A company knows that -2.5p+500 models the number it sells per month of a certain make of unicycle, where the price p can be set as low as $70 or as high as $120. Revenue from sales is the product of the price and the number sold. What price will maximize the revenue and what is the maximum revenue?
What is $100 will maximize revenue and $25,000 is the maximum revenue