Decide what number must be added to the binomial to make a perfect square trinomial.x2 + 18x
A. 162
B. 9
C. 41
D. 81
Answer: D
Mathematics
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Use Newton's method to estimate the requested solution of the equation. Start with given value of x0 and then give x2 as the estimated solution.-x2 + 4x -1 = 0; x0 = 0; Find the left-hand solution.
A. -0.33 B. 0.14 C. 0.23 D. 0.25
Mathematics
Choose the equation that matches the graph.
A. f(x) = 4x2 + 2x + 5 B. f(x) = 4x2 + 2x - 5 C. f(x) = -4x2 + 2x - 5 D. f(x) = 4x2 - 2x - 5
Mathematics
Find a solution to the equation using the value given for x.y = 3x; x = -4.
A. (-4, -1) B. (-4, -7) C. (-4, -16) D. (-4, -12)
Mathematics
Divide.(x2 - 4x - 32) ÷ (x - 8)
A. x + 4 + 
B. x2 + 4
C. x + 4
D. x - 4
Mathematics