1. If 3x-y=9 and {x| -6 greater than or equal to x less than or equal to 7} what is the range of y?
2. What is the range of the quadratic function y= 2x^2 - 6x - 7 ?
3. Find the product of 3 consecutive whole numbers if the largest is n+1.
4. If P(x)= x^4 - x^3 - 5x^2 + 9x - 1 and D(x)= x^2 - 2x + 3, and P(x) is written in the form P(x) = D(x)Q(x) + R(x), what is R(x)?
5. Find the set of possible rational roots of 3x^4 - 4x^3 + 7x - 6.
6. Find all the roots of 2x^3 - 5x^2 - x + 6 = 0.
7. Find the area of the triangle formed by the x-axis, y-axis and the straight line 3x+2y-12=0.
8. An object moves 64cm in the first second, 48cm in the 2nd, 36cm in the 3rd and so on. Find the total distance it will move by the time it stops.
Please provide solutions/explanations, even if just the equations needed to solve the problem. I can take it from there. Thanks!
2006-12-30
20:42:13
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3 answers
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asked by
nandemonai
2
in
Mathematics