Determine which of the following methods is the best choice for solving the given equation: factoring, using the principle of square roots or using the quadratic formula. Then, solve the equation.2x2 + 10x + 2 = 0
A. Square root principle or factoring; -2
B. Square root principle; -10, 0
C. Factoring; -5, 4
D. Quadratic formula; 
Answer: D
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Determine whether or not one or more pairs of twin primes exist between the pair of numbers given. If so, identify the twin primes.32 and 41
A. 35, 37 B. No C. 31, 33 D. 37, 39
Solve the problem.The kind of symmetries found in the border pattern . . . p b p b p b . . . are the identity and
A. translations and half-turns only. B. translations only. C. translations and glide reflections only. D. translations, glide reflections, and half-turns only. E. none of these
Factor completely. If a polynomial cannot be factored, say it is prime.48x2y - 147y
A. prime B. 3y(4x + 7)2 C. 3y(4x - 7)2 D. 3y(4x + 7)(4x - 7)
Find x and y: -2x + y = 2; x - 3y = 6
a. 2 3 x = 4Ä y = -2Ä 5 5 b. 4 4 x = 2Ä y = -2Ä 5 5 c. 2 4 x = -2Ä y = -2Ä 5 5 d. 4 2 x = -2Ä y = -2Ä 5 5 e. 2 4 x = 2Ä y = 2Ä 5 5