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Equations/Ineq
Linear Functions
Factor
Formulae
Complex Numbers
100
-2k + 5 < 10
What is k > -5/2 or - 2.5
100
Slope - intercept form
What is y = mx + b?
100
4ab - 6b + 8bc
What is 2b (2a - 3 + 4c)
100
Formula for midpoint
What is (x1 + x2) / 2 , (y1 + y2)/2
100
Square root of -18
What is 3i(square root of 2)?
200
Find x , if 2x + 8 = 3x - 4
What is x = 12
200
point-slope form
What is y - y1 = m(x - x1)?
200
Factor x^2 + 2x + 1
What is (x + 1) (x + 1)
200
Formula for distance
What is square root of (x2 - x1)2 + (y2 - y1)2 ?
200
i to the 25th power
What is i?
300
-3 < -2x + 1 < 5
What is -2 < x < 2 ?
300
Find (-2) if f(x) = 5x2 - 4
What is 3?
300
Factor 64b^4 - 16b^2 + 1
What is (8b^2 - 1) (8b^2 - 1)
300
Equation for slope of line
What is y2-y1/x2-x1?
300
Name the conjugate of 3i + 7.
What is 3i - 7?
400
3x - 4 = -2 (3x + 5)
What is x = -2/3?
400
Solve for y if 3x - 4y = 8
What is y = 3/4x - 2 ?
400
Factor 2x^2 - 5x - 7
What is (2x - 7) (x + 1)
400
Formula for volume of cylinder
What is pi radius squared times height?
400
Simplify 3 + 2i / 4 + i
What is (14 + 5i) / 17 ?
500
Solve for 9m^2 - 25 = 0
What is m = - 3/5 or 3/5?
500
Equation of line with x-intercept = 7 amd y-intercept = -4
What is y = -4/7x - 4 ?
500
Factor 2ac - 6 ad + bc - 3bd
What is (2a + b) ( c - 3d)?
500
Formula for area of trapezoid (trapezium)
What is one-half the height times the sum of the two bases?
500
Multiply ( 4 - 3i ) (2 + 5i )
What is 23 + 14i ?