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Variation Ch.2
Ch.2
| Question | Answer |
|---|---|
| a _____-______ ________ is a function with a formula of the form y=kx^n, with k not = 0 and n>0 | direct-variation function |
| an _________-___________ ___________ is a function with a formula of the form y=k/x^n, with k not = 0 and n>0 | inverse-variation function |
| a. if y varies directly as x^n (that is, y=kx^n.) and x is multiplied by c, then y is multiplied by c^n b.if y varies inversely as x^n (that is, y=k/x^n.) and xis multiplied by a nonzero constant c, then y is divided by c^n is the _______theorem of ___ | fundamental variation |
| the ____ of the line throught points (1x,1y) and (2x,2y) = 2y-y1/2x-1x | slope |
| the graph of the direct-variation function y=kx has constant slope k is ________ | theorem |
| write the variation equation L=kd^2 in words | L varies directly as the square of d |
| find c when d=12 | c=400/12^2 Answer is 25/9 (2.7777) |