Vocab-Nomad
That's a FactOr!
Probable Parabolas
I swear I'm Rational
Vulnerable Variations
100
Which of the following is an example of Difference of Squares? A) 2x^2 - 9 B) x-36 C) 81x^2 + 16 D) x^2 - 121
What is D) x^2 - 121
100
Factor x^2 - 3x - 18
What is (x-6)(x+3)
100
What is standard form of a quadratic?
What is y= ax^2 + bx + c
100
Define a rational expression
A fraction with a polynomial in the numerator AND denominator
100
What is the general inverse variation equation?
What is y=k/x or xy=k
200
Classify the following polynomial by it's number of terms: y=3x^3 - 2x^2 +1
What is a trinomial
200
Factor 4x^2-25
What is (2x+5)(2x-5)
200
List the vertex of: y=3(x+4)^2 - 11
What is (-4, -11)
200
For what value(s) is the function: y=3/(x-1) undefined?
What is x=1
200
If y varies inversely as x and y=30 when x=5, find the constant of variation:
What is k=150
300
In variation relationships, k is called:
What is the constant of variation
300
SOLVE y=x^2 + 8x + 16
What is x= -4
300
Solve (x+3)^2=25
What is x=2, x=-8
300
What is the LCD for the following: (x+3)/(x^2 - 4) + (2x)/(x-2)
What is (x+2)(x-2) or (x^2 - 4)
300
What is the general equation for direct variation?
What is y=kx
400
b^2 - 4ac is a part of the quadratic formula. What is this called?
What is the discriminant
400
What number must be added to x^2 - (2/3)x to complete the square?
What is (1/3)^2 or 1/9
400
Which equation represents the axis of symmetry for the quadratic function y=(x-2)^2 - 3? A) 2 B) -2 C) x=2 D) y=-2
What is C) x=2
400
Simplify: x(2x+1)/(4x^3+2x^2)
What is (1)/(2x)
400
Which of the following is NOT an example of inverse variation? A) y=2x/7 B) y= 2/7x C) y= 2/7x^2 D) y=11/x^3
What is A) y=2x/7
500
When asked to SOLVE a quadratic... you could be asked to do so in a variety of ways. List TWO of the three synonyms we learned for solve/solution
What is roots/zeros/x-intercepts
500
Use the fact that the following is a Perfect Square Trinomial to factor: y= 16x^2 + 16xy^2 + 4y^4
What is (4x+2y^2)^2 OR (4x+2y^2)(4x+2y^2)
500
Solve via the quadratic formula: y= 3x^2 - 2x + 5
What is no real solution. The discriminant is -56 which indicates that there is no real solution; or two imaginary solutions.
500
Is y=(2x^5)/(3^x) an example of a rational expression? Why or why not? Just answering Yes or No will not fly, here.
What is NO, because the denominator (3^x) is NOT a polynomial because the exponent is a variable- this type of expression is called an exponential function.
500
The frequency of a radio wave varies inversely as its wavelength. If a 200 meter wave has a frequency of 3000 kilocycles, what is the wavelength of a wave that has a frequency of 2000 kilocycles?
What is 300 meters
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