Use the discriminant to determine the number of real solutions.v2 - 4v - 1 = 0
A. No real solutions
B. One real solution
C. Two real solutions
Answer: C
Mathematics
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Simplify the following by combining like terms.2x7 + 6x3 + 5x7
A. 13x17 B. 7x7 + 6x3 C. 13x3 D. cannot be simplified
Mathematics
Solve the special system by elimination. If the system is dependent, write the solution using set-builder notation with the common line expressed in slope-intercept form.
A. {(x, y)|y = 5x + 7}
B. {(x, y)|y = -5x + 7}
C. ?
D. 
Mathematics
Express the integrand as a sum of partial fractions and evaluate the integral.
dx
A. 
tan-1(5x) - 
- 
+ C
B. 
tan-1(5x) - 
+ C
C. ln 
- 
+ C
D. 
tan-1(25x) + 
+ C
Mathematics
Factor by grouping.15x2 + 18x - 20x - 24
A. (3x + 4)(5x - 6) B. (15x - 4)(x + 6) C. (15x + 4)(x - 6) D. (3x - 4)(5x + 6)
Mathematics