Solve by completing the square.y2 + 8y - 7 = 0
A. -4 ± 
B. -4 ± 2
C. -1 ± 
D. 4 + 
Answer: A
Mathematics
You might also like to view...
Use the fact that the trigonometric functions are periodic to find the exact value of the expression. Do not use a calculator.csc 1020°
A. -
B. - 
C. -
D. - 
Mathematics
Factor completely. If the polynomial is prime, state so.25x2 + 64y2
A. Prime B. (5x - 8y)2 C. (5x + 8y)(5x - 8y) D. (5x + 8y)2
Mathematics
Provide an appropriate response.Using your classroom, give an example of three planes that do not intersect.
What will be an ideal response?
Mathematics
In a certain college, 33% of the physics majors belong to ethnic minorities. Find the probability of the event from a random sample of 10 students who are physics majors.Exactly 2 belong to an ethnic minority.
A. 0.0028 B. 0.1929 C. 0.2156 D. 0.1990
Mathematics