Chapters 1-3
Simplify the following:
-|(-5)2 + 42 / 8|
What is -27?
Is (-5, -3) a solution to the system of equations:
y = -3
5x - 10y = 5
What is yes?
Factor: x2 - 9x + 20
What is (x - 4)(x - 5)?
(5x2 ) / (20x3)
What is 1 divided by 4x?
What is the maximum y-value of:
y = -x2 - 4x + 5
What is 9?
Subtract 5/7 - 2 1/7
What is -1 3/7?
Solve the system of equations:
y = 4x - 1
-3x + y =1
What is (2, 7)?
Factor: 3x2 + 7x + 2
What is (3x + 1)(x + 2)?
Add: 1/2 + 3/x
What is (3x +2)/(6x)?
Solve by extracting the roots: (x - 2)2 - 1 = 0
What is 1 and 3?
Translate: Four less than twice some number is 16.
What is 2x - 4 = 16?
Multiply:
( x - 5)(2x + 3)
What is 2x2 - 7x - 15?
Factor: x2 - 81
What is (x + 9)(x - 9)?
x/(x+1) = (x+1)/x
What is -1/2?
Determine the x-intercepts.
y = x2 - 5x - 14
What is 7 and -2?
A graphic designer wishes to create a 720-pixel-wide screen capture. If the width-to-height ratio is to be 3:2, then to how many pixels should he set the height?
What is 480 pixels?
Set up and solve: The sum of two numbers is 19. The larger number is 1 less than three times the smaller.
Factor out the GCF:
7x2y2z + 14xyz
What is 7xyz(xy + 2)?
Simplify the square root of 45x5y3
What is 3x2y the square root of 5xy?
Solve using the quadratic formula: x2 - 10x + 24 = 0
What is 4 and 6?
Find the equation of the line passing through (−4, −2) and (1, 3).
What is y = x + 2
Simplify:
(x2 y-3)/ z-5
What is (x2 z5) divided by y3?
Solve: 5x2 - 25x + 10
What is 2/3 and 1?
Multiply 2 times the square root of 5 times 7 times the square root of 10
What is 70 the square root of 2?
Solve the complex quadratic using the quadratic formula: 2x(x - 1) = -1
What 1/2 + or - 1/2i?