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Questions and Answers
What is the value of 5x - 3y when x = 4 and y = 2?
What is the value of 5x - 3y when x = 4 and y = 2?
- 13 (correct)
- 17
- 11
- 7
Which of the following is the equation of a circle with center (3, -2) and radius 5?
Which of the following is the equation of a circle with center (3, -2) and radius 5?
- (x + 3)^2 + (y - 2)^2 = 25
- (x + 3)^2 + (y - 2)^2 = 5
- (x - 3)^2 + (y + 2)^2 = 25 (correct)
- (x - 3)^2 + (y + 2)^2 = 5
What is the value of 'a' in the quadratic equation 2x^2 + 5x + a = 0 if the equation has real and equal roots?
What is the value of 'a' in the quadratic equation 2x^2 + 5x + a = 0 if the equation has real and equal roots?
- 25/4 (correct)
- -25/4
- 5/2
- -5/2
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