This practice GMAT test includes only quadratic equation questions, which are part of the GMAT problem solving section.
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If , then the value of is
A.
B.
C.
D.
E.
In writing a quadratic equation of the form , a student writes the coefficient of incorrectly and finds the roots as 7 and 8. Another student makes a mistake in writing the constant term and gets the roots as 8 and -3. Find the correct quadratic equation:
If the sum and product of the roots of the equation are equal then:
If one root of is the square of the other, then is:
A. 5
B. 6
C. -6
D. 7
E. -7
In the interior of a forest, a certain number of apes equal to the square of one-eighth of the total number are playing and having great fun. The remaining twelve apes are on a hill and the echo of their shrieks by the adjoining hills frightens them. They came and join the apes in the forest and play with enthusiasm. What is the total number of apes?
A. 48
B. 16
C. 64
D. 80
E. 16 or 48
What can you say about the roots of ?
A. One root is double the other.
B. One root is the square of the other.
C. One root is the reciprocal of the other.
D. The roots are equal in magnitudes but differ in signs.
E. None of These
The quadratic equation, whose roots are reciprocal of the roots of , is:
If the roots of the equation are in the ratio , then the value of is
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