A flywheel is brought from rest up to a speed of 1500 rpm in 1 minute. What is the average angular acceleration, α?
| A. 2.617 radians per second per second | C. 333 radians per second |
| B. 157 radians per second | D. 5.23 radians per second per second |
December 2017
The triangle defined by the points A(6, 1), B(2, 4), C(-2, 1) is…
| A. Isosceles | C. Obtuse |
| B. Right | D. Equilateral |
If three coins are tossed, how many possible ways are there of at least one coin showing tails?
| A. 5 | C. 7 |
| B. 6 | D. 8 |
A circle with radius r has a circumference equal to the perimeter of a square whose side is S. Which of the following is true?
| A. r = πS/2 | C. r2 = S |
| B. r = π/2S | D. r = 2S/π |
Convert the equation (3a + 2b)2 into a polynomial.
| A. 9a2 + 6ab + 4b | C. (a)2 + (3a)(2b) + (ab)2 |
| B. 9a2 + 12ab + 4b2 | D. (3a2 + 6ab + 4b2) |
Find C so that the line y = 4x + 3 is tangent to the curve y = x2 + C.
| A. 6 | C. 7 |
| B. 5 | D. 4 |
Find the equation of the line whose slope is -3 and the x-intercept is 5.
| A. x = -3y + 5 | C. y = 3x + 15 |
| B. 3x + y = 15 | D. y = -3x + 5 |
What is the value of x in trigonometric substitution with an integrand involving (a2 - x2)?
| A. a sec θ | C. a sin θ |
| B. a tan θ | D. a cos θ |
A decagon has how many diagonals?
| A. 35 | C. 15 |
| B. 10 | D. 25 |
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Find the equation of the line through (4, -7) parallel to the y-axis.
| A. y = -7 | C. x = 4 |
| B. x = -7 | D. y = 4 |