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Real Numbers
Cartesian Coordinate System
Lines in the Plane
Solving Equations & Inequalities
Complex Numbers
100
Write in interval notation: 6<x<=39
What is (6, 39]
100
What quadrant is (-16, 7) in
What is Quadrant II
100
Find the slope of the line with points at (4, 9) and (-3, 10)
What is m = -1/7
100
Solve x^2 + 6x + 9 = 0
What is x=-3
100
Simplify (5 + 8i) + (7 - 12i)
What is 12 - 4i
200
Write as an inequality: [18, 93)
What is 18<=x<93
200
Find the center and radius of the following circle: (x+2)^2+(y-5)^2=16
What is (-2, 5) and 4
200
Find the equation of a line in slope-intercept form that passes through the points (4, 3) and (1, -2)
What is y = 5/3x - 11/3
200
Solve 3x^2 - 7x + 12 = 0
What is 7plus/minus the square root of 193 divided by 6 or x=3.48 and x=-1.15
200
Simplify (6-2i)(4+3i)
What is 30 + 10i
300
Write in scientific notation 0.000000000000873
What is 8.73x10^-13
300
Write the equation for a circle in standard form with Center (9, 0) and radius = 9
What is (x-9)^2+y^2=81
300
Find the equation of a line in point-slope form with slope m=-7/3 and passes through the point (9, 1)
What is y-1 = -7/3(x-9)
300
Solve 4>= (2y-5)/3 >= -2
What is -1/2 <= y <= 17/2
300
What is the complex conjugate of -6-8i
What is -6+8i
400
Simplify the expression on the back board
What is x^10/y^4
400
Find the midpoint of the line with endpoints at (5, 12) and (-8, 19)
What is (-3/2 , 31/2)
400
Find the equation of a line through the point (5, 3) that's parallel to the line 6x+10y=5
What is y = -3/5x+6
400
Solve |3x-2|>=5
What is x<=-1 or x>=7/3
400
Simplify (7+2i)/(4+4i)
What is (36-20i)/32 or (9-5i)/8
500
Simplify the expression on the back board
What is z^8/(5x^9y^17)
500
Find the distance between the points (-9, 6) and (4, -2)
What is 15.26 or the square root of 233
500
Find the equation of a line that passes through the point (4, 1) and is perpendicular to the line 2x+3y=4
What is y = 2/3x - 5/3
500
Solve x^2 + 6x - 7 > 0
What is x = 1 or x = -7
500
Find the discriminant of 2x^2-11x+17 and describe how what kind of solutions this problem will have
What is -15 and 2 a complex conjugate pair of solutions