Find the real solutions, if any, of the equation. Use the quadratic formula.x2 - 4x - 13 = 0
A. {4 + 
, 4 - 
}
B. {-2 + 
, -2 - 
}
C. {2 + 
, 2 - 
}
D. {2 + 
, 2 - 
}
Answer: D
Mathematics
You might also like to view...
Evaluate the expression for the given value of x. ? -2x3, x = 3 ?
A. 18 B. -54 C. -6 D. 54 E. -18
Mathematics
Solve the problem.Find the area of a triangle with a base of 
and a height of 
A. (4x + 20) sq. in. B. (6x2 + 14x) sq. in. C. (4x2 + 20x) sq. in. D. (8x2 + 40x) sq. in.
Mathematics
Write the expression as one logarithm.log7 13 + log7 6
A. log7 78 B. log14 78 C. log7 19 D. log14 19
Mathematics
Answer the question.In the equation 4x + y = 18, the value of x is 2. What is the corresponding value of y?
A. y = 22 B. y = 5 C. y = 10 D. y = 26
Mathematics