Free Practice Question
PS · Problem Solving
655-705
Algebra
What is the sum of the roots of the equation ?
Answer Choices
Correct answer marked belowA
2
3
Correct
C
5
D
7
E
10
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Explanation
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Official Explanation
Official
The roots of this quadratic are 1 and 2.…
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Sign in to commentWhat this question tests
What it tests
Your ability to manipulate linear and quadratic expressions, substitute unknowns, and solve equations under time pressure.
Common trap
Losing a sign when moving terms across the equals sign, or dividing both sides by a variable that could equal zero.
Details
Difficulty
655-705
Type
PS
Category