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Precalculus Jeopardy. Hosted by Mr. Paulus and Mr. Vasa. Quintessential Quadratics. Differing Divisions. That behavior has to end. In tennis these are loves. 100. 100. 100. 100. 200. 200. 200. 200. 300. 300. 300. 300. 400. 400. 400. 400. 500. 500. 500. 500. - PowerPoint PPT PresentationTRANSCRIPT
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Mr. Paulus and Mr. Vasa
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Quintessential Quadratics
Differing Divisions
That behavior has to end
In tennis these are loves
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Row 1, Col 1
Find the x intercepts off(x)=x2+x-6
x=-3 and x=2
1,2
Divide 8x2-18x-3by 2x-3
4x-3 + 12/(2x-3)
1,3
What is the right hand andleft hand behavior of the graph
f(x)=10x5+5x3-43x+127?
LHB down to neg infinity, RHB to pos infinity
1,4
Factor 2x3-32x
x(x-4)(x+4)
2,1
What is the vertex off(x)=x2+2x+1?
(-1,0)
2,2
Use synthetic division to divide2x3-3x+4by x+3
2x2 - 6x + 15 – 41/(x+3)
2,3
What is the right hand andleft hand behavior
of the graphf(x)=2(-x2+27x+9)?
LH and RH both go down to neg infinity
2,4
Find all real zeros off(x)=x3+x2-12x
x=-4, x=0, x=3, y=0
3,1
Find the equation of a parabolawith a vertex of (2,3)
and x intercepts of (-3,0) and (7,0)
(-3/25)(x-2)2+3
3,2
Use synthetic division to evaluatef(x)=3x3-2x+10
at f(-2)
f(-2)= -10 OR (-2,-10)
3,3
Is the right hand behavior ofg(x)= -3x7-13x3+10x+20
the same asthe right hand behavior ofh(x)=3x4+-13x3+11x2+16?
Why?
No g(x) goes down and h(x) goes up
3,4
List the possible rational zeros of f(x)=6x4+3x3-10x2+3
Factors 6/Factors 3 so there are 8 solutions ±1, ±2, ±3, ±6, ±1/3, ±2/3
4,1
Find 2 positive real numbers whoseproduct is a maximum and the sum
of the first number and3 times the second is 42?
7 and 21
4,2
Is (3x3+5x2-7x+6)/(x+4)is equivalent to
3x2-7x+21+(79/(x+4))?Show Work.
No it is not 79 should be 78 work shown
4,3
Odd degree polynomials are similarto ______ while even degree
polynomials are similar to______ (in terms of end behavior)
Lines Parabolas
4,4
What are rational zeros forthe graph f(x)= x2-3x+5?
(Buy hint -100 pts)
There are none or empty set
5,1
DAILY DOUBLE!Wager between 100-1000pts
5.5 feet (must have feet)
5,2
Which of the these twois -3+(4/(x-3))equivalent to?
A: (-3x-5)/(x-3)B: (2x-4)/(x-3)
Show work.
A. With work shown
5,3
Finish this sentence:"If the degree of a polynomial
is odd and the leading coefficientis negative then
__________________________"
LHS goes to pos infinity and RHS to neg infinity
5,4
Create a polynomial withzeros at x=-2, x=3, and x=7.
(x+2)(x-3)(x+7)