Solve the quadratic equation.10x2 = 80x
A. 0, 8
B. 10, 8
C. 8
D. No real solutions
Answer: A
Mathematics
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Answer the question.Find a rational number between 1.67
and 1.
.
A. 1.6
B. 1.674674674...
C. 1.673467346734...
D. 1.673673367333...
Mathematics
The graph of f(x) = ax2 + bx + c is given in the figure. Determine whether the discriminant is positive, negative, or zero.
A. Zero B. Negative C. Positive
Mathematics
Solve.If a tree 17.5 feet tall casts a shadow that is 7 feet long, find the height of a tree casting a shadow that is 19 feet long. Round to the nearest tenth of a foot, if necessary.
A. 6.4 ft B. 47.5 ft C. 7.6 ft D. 29.5 ft
Mathematics
Write the algebraic expression without parentheses.-(-3 + 4y)
A. -3 + 4y B. 12y C. 3 - 4y D. 3 + 4y
Mathematics