1.) Which of the following equations correspond to the statement " x varies directly as x square of y”?
A.) y = kx2
B.) y = 2kx
C.) x=ky2
D.) x = 2ky
2.) When the area (A) of a rectangle is constant, its width (w) varies inversely as its length (1). Which equation describes this relationship?
A.) A= Ari
B.) A=!
C.) w = 1
D.) w = AI 3.)
3.) Suppose y varies directly as x.Suppose also that y = 34 when x = 17, what is y when x=56?
A.) 98
B.) 112
C.) 124
D.) 136 4.)
4.) What happens to y if y varies inversely as x, and x is doubled?
A.) stays the same
B.) doubles also
C.) half as large
D.) as large
5.) Which type of variation is described by the equation = b?
A.) direct
B.) inverse
C.) joint
D.) combined a 2
A.) y = kx2
B.) y = 2kx
C.) x=ky2
D.) x = 2ky
2.) When the area (A) of a rectangle is constant, its width (w) varies inversely as its length (1). Which equation describes this relationship?
A.) A= Ari
B.) A=!
C.) w = 1
D.) w = AI 3.)
3.) Suppose y varies directly as x.Suppose also that y = 34 when x = 17, what is y when x=56?
A.) 98
B.) 112
C.) 124
D.) 136 4.)
4.) What happens to y if y varies inversely as x, and x is doubled?
A.) stays the same
B.) doubles also
C.) half as large
D.) as large
5.) Which type of variation is described by the equation = b?
A.) direct
B.) inverse
C.) joint
D.) combined a 2
Answers & Comments
Answer:
1.) D.
2.) C.
3.) B.
4.) B.
5.) A.
Explanation:
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