Use inductive reasoning to predict the next equation.6 × 7 = 8 × 9 - (6 + 7 + 8 + 9)7 × 8 = 9 × 10 - (7 + 8 + 9 + 10)
A. 8 × 9 = 10 × 11 - (6 + 7 + 8 + 9 + 10 + 11)
B. 9 × 10 = 11 × 12 - (8 + 7 + 6 + 5)
C. 9 × 10 = 11 × 12 - (9 + 10 + 11 + 12)
D. 8 × 9 = 10 × 11 - (8 + 9 + 10 + 11)
Answer: D
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Solve the equation by the square root method.2x2 + 5 = 13
A. {-3, 3} B. {2} C. {6.5} D. {-2, 2}
Determine which of the expressions is not equivalent to the given expression by the commutative and associative laws.x + (y + 13)
A. (x + y) + 13 B. x + (13 + y) C. 13x + y D. (y + x) + 13
Decide whether the statement is true or false. If it is false, tell why.The equation (x + 26)2 = 0 has exactly one real solution.
A. True B. False; the equation has two real solutions. C. False; the equation has no real solutions.
Perform the indicated operation. Assume that all variables represent nonnegative real numbers.4
+ 4
A. 16
B. 16m
C. 328
D. 328m