Math Quiz-Bee

1. Determine the factors of the trinomial x² + 10x + 21.

• ( x + 7) ( x + 3)

• ( x – 3( ( x – 7)

• ( x + 21) ( x + 1)

• ( x – 21) ( x – 1)

2. Which line represents a positive slope?

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3. Simplify ( - 3y⁷ ) (-8y⁶).

• – 24y⁴²

• – 24 y¹³

• 24y⁴²

• 24 y¹³

4. What do you call the intersection of the axes of the rectangular coordinate plane?

• Abscissa

• Ordinate

• Coordinate

• Origin

5. Which does not represent a function?

• 4x – 3y – 3 = 0

• x² – y = 0

• y² - x = 0

• y = 4

6. Which pair of numbers does not satisfy 3x + 2y ≥ -11?

• x = 2 , y = -6

• x = 5 , y = -8

• x = 2, y = 4

• x = -5, y = 1

7. Which linear inequality in two variables has a solution (0,0)?

• 3x – y ≤ 2

• 4x – 5y ≥ -5

• y ≥ -1

• all of these

8. 1. The if-then form of the statement “Parallel lines never intersect”, is

• If two lines intersect, then they are parallel.

• If two lines are parallel, then they never intersect.

• If two lines are not parallel, then they intersect.

• If two lines intersect, then they are not

9. Suppose ∆1 ≅ ∆2 and ∆2 ≅ ∆3. Then it can be said the ∆1 ≅ ∆3 because triangle congruence is ____.

• additive

• reflexive

• symmetric

• transitive

10. Which pair of numbers satisfies 4x – 5y > 2?

• x = 0 , y = 0

• x = 2, y = -2

• x = 2, y = 2

• x = -2, y = 2