33 Answered Questions for the topic Pre Calculus Honors

10/05/15

f(x)=-16x^2 + 40X + 50. Assume time going up to max at x=1.25 is the same as the time going down, calculate the time it takes for the ball to reach the ground.
Modeling quadratic functions.  Zeroes are -.92 and 3.42.
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Pre Calculus Honors

09/02/15

if you can show work on both please I'm sooo confused
 ln(x+2)- ln x = ln (x+5) ln x - ln2 = ln (x-6)  
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Pre Calculus Honors

03/25/15

If (x - a)(x - 1) + 1 = (x + b)(x + c) is true for all x and if a, b, and c are integers, find the sum of all possible values of a.
this problem is very hard and if you can solve it you are a genius
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Pre Calculus Honors Calculus

03/19/15

How do i verify this identity?
Cot^2x-Cos^2= (cotx)(cosx)
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Pre Calculus Honors Calculus

03/19/15

What distance did it travel?
A bike wheel with 18 inches in diameter rotates at 120 degrees. 
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Pre Calculus Honors Calculus 1

03/19/15

Simplify sin^2x/sec^2x-1
Verifying the identity
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Pre Calculus Honors

09/15/14

Solving inequalities
My teacher told me I can graph this with my graphingb calculator but I can't seem to get the correct inequalities for 1. X^4-10x^2+9<0 and 2.x^5+5x^4-4x^3+3x^2-2>0
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Pre Calculus Honors

08/28/14

write the standard form of conic equation
Write the standard form of the conic equation in which Eccentricity = sqr(11)/4 Vertices:  (0, 9+4(sqr 5)), (0, 9-4(sqr(5))   I have the answer of x^2  /25 + (y-9)^2  /80 = 1 but I don't... more
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