Rational expressions
The expression below that's not a rational expression: x/(2x2+1) 10 (x+y)/(xy) xe/x2
What is xe/x2?
All possible central conics
What are circles, ellipses, and hyperbolas?
The measure of the reference angle of 210˚
What is 30˚
The expression below that is not a polynomial:
x1/2 x2 x2y+x x115200+x9600
What is x1/2?
The value of (3+2i)(5-4i)
What is 23-2i?
Simplify: (2x+1)/(x+2)+(3-x)/(2x+4)
What is (3x+5)/(2x+4)?
The general equation for a parabola with a horizontal directrix and vertex (h, k)
What is x=a(y-k)2+h?
600˚ in radians
What is 10𝛑/3?
If 2+i is a root of the polynomial x4-6x3+14x2-14x+5, find another complex root
What is 2-i?
The next term in the sequence 2, 3, 6, 11, 18, 27, ...
What is 38?
Simplify: (x+2)/(3x+5)(2x+3)+1/(3x+5)
What is 1/(2x+3)?
The asymptotes of 16(x+3)2-9(y-3)2=144
What are y=4/3 x - 1 and y=-4/3 x + 7?
The value of cos 72˚ given that cos 36˚=(√5 + 1)/4
What is (√5 - 1)/4?
The number of negative roots are there to the equation x4-10x3+8x2-9x+3
What is 0?
The value of log23 • log34 • log45 • log56 • log67 • log78
What is 3?
Simplify: 1/(x+2)+(2x2+4x+4)/(x4+4x3+6x2+4x)
What is 1/x?
The values of k for which the graph of x2 + 6x + 4y2 - 8x + k = 0 is a nondegenerate ellipse
What is k < 13?
The third side of a triangle with 2 sides 6 and 10 and included angle of 60˚
What is √76?
Divide 4x4+10x3+6x2+8x+10 by 2x+1 synthetically and find the quotient
What is 2x3+4x2+x+7/2?
The sum of the infinite series consisting of all unit fractions expressible as a terminating decimal (including 1)
What is 5/2?
Divide (3x2+13x-10)/(6x2-x-2) by (x2+3x-10)/(4x2-6x-4)
What is 2?
The values of k for which 4x2 - 16x - 9y2 + ky + 7 is a degenerate conic
What is k ≥ 18?
Simplify tan θ/(1+sec θ) + (1+sec θ)/tan θ
What is 2 csc θ?
The roots of x4+x3-2x2-6x-4
What are -1+i, -1-i, -1, and 2?
The name of the segments of DNA found on the lagging strand of replication
What are Okazaki fragments?