Factor the difference of squares.169k2y - 25ym2
A. y(13k - 5m)2
B. (169ky + ym)(k - 25m)
C. y(13k + 5m)(13k - 5m)
D. (13ky + 5ym)2
Answer: C
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Express the integrand as a sum of partial fractions and evaluate the integral.
dx
A. 2 ln
+ 4 ln
- 3 ln
+ C
B. 2 ln
- 3 ln
+ 4 ln
+ C
C. ln
- ln
+ ln
+ C
D. -3 ln
+ 4 ln
+ C
Answer the following statement(s) true (T) or false (F)
Students who see mathematical ability as a fluid characteristic attribute successes and failures to external, unchangeable traits.
150 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with mean ? = 65 and standard deviation ? = 10.Assuming there were no outliers, the lowest score on the exam was around
A. 65. B. 35. C. 0. D. 10. E. none of these
Solve the quadratic equation. x2 - 7x - 18 = 0
A. {-2, -9} B. {2, -9} C. {2, 9} D. {-2, 9}