Use the discriminant to determine the number of real solutions.x2 + 2x - 3 = 0
A. One real solution
B. No real solutions
C. Two real solutions
Answer: C
Mathematics
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Simplify the expression.
A. tan 8x B. tan (-2x) C. tan 2x D. tan (-15x)
Mathematics
Find the complete factored form of the polynomial f(x) that satisfies the given conditions.Degree 3, leading coefficient -4, zeros at -4, 7i, and -7i
A. f(x) = -4(x - 4)(x + 7i)(x - 7i) B. f(x) = -4(x + 4)(x + 7i)(x - 7i) C. f(x) = -4(x + 4)(x2 + 49) D. f(x) = -4(x - 4)(x2 + 49)
Mathematics
Multiply.(x + 
)(x - 
)
A. x2 - 1
B. x2 + 1x - 6
C. x2 - 1x - 6
D. x2 - 
Mathematics
Combine. Simplify the answer.
- 
A. 
B. 
C. 
D. 
Mathematics