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Mathematics Quiz 2
correctly answer the following multiple choice questions
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Last updated: March 2, 2019
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| First submitted | February 28, 2019 |
| Times taken | 42 |
| Average score | 50.0% | Report this quiz | Report |
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1.
7^2
9
✓
56
✓
14
✓
49
✓
2.
9(99-9+11)
99
✓
999
✓
909
✓
1009
✓
3.
If (x+3)(x-2)(x+4)=0, what are the x values when the cubic graph intersects the x-axis?
3, 2, 4
✓
-3, 2, -4
✓
3, -2, 4
✓
-3, 2, 4
✓
4.
(9)^(1/2)
81
✓
3
✓
-3
✓
+3 or -3
✓
5.
3!
6
✓
3
✓
7
✓
8
✓
6.
what is the simplified equivalent of √99
3√11
✓
√99
✓
9√3
✓
33
✓
7.
Robert has a bag of 37 sweets. His 5 friends ask Robert for some sweets. If the friends each receive the same number of sweets, but Robert has the most, what is the maximum number of sweets one friend can get?
7
✓
6
✓
8
✓
9
✓
8.
Matthew has 40 sweets. He eats two fifths of them and his two friends ask to share the last sweets and save him 6 for later. How many sweets does one friend receive?
8
✓
9
✓
6
✓
12
✓
9.
What is the equation to find the arc length of a random arc when using radians?
l=(r^2)*d
✓
l=μr
✓
s=(r^2)μ
✓
l=rθ
✓
10.
What is the equation used to determine the number of real roots of a curve?
(a^2)=(b^2)+(c^2)
✓
b^2-4ac
✓
(a^2)-b=(c^2)
✓
(a^2)=(b^2)+(c^2)-2bc*cos(A)
✓
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