Find the value of c for which the expression is a perfect-square trinomial. Then factor the perfect-square trinomial.x2 + 5x + c
A. 10; (x + 5)2
B. 
; 
2
C. - 
; 
2
D. 
; 
2
Answer: D
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Solve.The textbook for a history class costs $50. There are 31 students in the class. What is the total cost of the history books for the class?
A. $1519 B. $81 C. $1550 D. $1500
Answer the question.The binomial 4x2 + 16 is the sum of two squares that can be factored. Why is this possible?
What will be an ideal response?
Express the number in decimal notation.5.703 × 10-5
A. 0.000005703 B. 0.0005703 C. -570,300 D. 0.00005703
Using the illustration, find the measure of each acute angle for the right triangle below. Answers are rounded using the appropriate rule for significant digits.b = 14.6 m, c = 16.1 m
A. A = 20.8 o, B = 69.2 o B. A = 24.9 o, B = 65.1 o C. A = 67.6 o, B = 22.4 o D. A = 16.4 o, B = 73.6 o E. A = 70.1 o, B = 19.9 o