Use a graphing utility to find or approximate the x-intercepts of the graph of the quadratic function.y = x2 + 6x + 8
A. (12, 0), (-4, 0)
B. (-2, 0), (-4, 0)
C. (
, 0) (- 
, 0)
D. (2, 0), (4, 0)
Answer: B
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A. 5 B. 6 C. 7 D. 8
Use the Egyptian method of doubling to calculate the product.6 × 83
A. 498 B. 510 C. 492 D. 474
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