Inverse Rational
Authored by Barbara White
Mathematics
9th - 10th Grade
CCSS covered
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14 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which equation represents inverse variation between x and y?
4y=kx
xy = 4k
y = 4kx
4k = x/y
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The ordered pair (3.5,1.2) is from an inverse variation. What is the constant of variation?
2.3
2.9
4.2
4.7
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose x and y vary inversely, and x = 4 when y = 9. Which function models the inverse variation?
y = 36/x
x = y/36
y = x / 36
x/y = 36
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose x and y vary inversely, and x = -3 when y = 1/3. What is the value of y when x = 9?
-9
-1
-1/9
1/9
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In which function does t vary directly with q and r and inversely with s?
t = (kq)/(rs)
t = (ks)/(qr)
t = s/(kqr)
t = (kqr)/s
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A student suggests that the graph represents the inverse variation y = 3/x. Is the student correct? Why or why not?
Yes, because the points get smaller from left to right.
Yes, because the points prove the constant of variation is 3.
No, because the points prove the constant of variation is 6.
No, an inverse variation graph is a straight line with a positive slope.
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Solve the equation for x.
6
12
0
3
Tags
CCSS.HSA.REI.A.2
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