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College Math Practice Test 11

# Nature of roots of quadratic equation Quiz PDF: Questions and Answers - 11

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The Quiz: If roots of x² - 5x + a = 0 are equal, then a =; "Nature of roots of quadratic equation" App (iOS & Android) with answers: ±25/4; 25-May; 25-Apr; for online colleges for teaching. Study Quadratic Equations Questions and Answers, Google eBook to download free sample for GRE test prep classes.

## Nature of roots of quadratic equation Questions and Answers : Quiz 11

MCQ 51: If the roots of x² - 5x + a = 0 are equal, then a =

1. 25-May
2. ±25/4
3. 25-Apr
4. None of Above

MCQ 52: Sin5θ+sin7θ =

1. sin6θcosθ
2. cos6θsinθ
3. tan2θtanθ
4. 2sin6θcosθ

MCQ 53: Sin(-625) =

1. −cos5°
2. cos5°
3. sin5°
4. −sin5°

MCQ 54: 3 x²+ 2 x + 1 is a

1. polynomial of degree 2
2. polynomial of degree 0
3. polynomial of degree 3
4. polynomial of degree n

MCQ 55: If x² - 7x + a has a remainder 1 when divided by x + 1, then

1. a = -7
2. a = 7
3. a = 0
4. a = 1