FIRST QUARTER REVIEWER IN MATH 9

It is a polynomial equation of degree two that can be written in the form ax² + bx + c = 0, where a, b, and c are real numbers and a ≠ 0.

• Linear Equation

• Cubic Equation

• Quadratic Equation

• Linear Function

Which of the following is a quadratic equation?

• 2r² + 4r -1

• x² - 8x + 15 = 0

• 3t - 7 = 2

• None of these

In the quadratic equation x² - 8x + 15 = 0, which is the quadratic term?

• 5x

• x²

• 3

• All of the Above

How many real roots does the quadratic equation x² - 8x + 15 = 0 have?

• 1

• 3

• 2

• None

Tags

CCSS.HSA-REI.B.4B

The roots of a quadratic equation are 5 and 3. Which of the following equations has these roots?

• x² - 8x + 15 = 0

• 4m² - 64 = 0

• 5n² + 7n - 51= 0

• V²- 3V - 10 = 0

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Which of the following mathematical statements is quadratic inequality?

• 2r² - 8x + 15 = 0

• x² - 3x + 5 < 0

• 2x² + 8x - 15 = 0

• x² + 5x = 0

If a, b and c are real numbers and D > 0 and D is not a perfect square, then the roots of the quadratic equation ax² + bx + c = 0 are:

• Real and Unequal

• Real and Imaginary

• Imaginary and Unequal

• Rational, Irrational, and Imaginary

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

What is the nature of the roots of the quadratic equation if the value of its discriminant is negative?

• The roots are imaginary

• The roots are irrational and not equal.

• The roots are rational and not equal.

• The roots are rational and equal.

Tags

CCSS.HSA-REI.B.4B

What is the nature of the roots of the quadratic equation if the value of its discriminant is zero?

• Imaginary

• Real, Rational, and Not Equal

• Real, Irrational, and Not Equal

• Real, Rational, and Equal

Tags

CCSS.HSA-REI.B.4B

The inequality symbol (≥ ) is called?

• Less Than or Equal to

• Greater Than or Equal to

• Equal

• None of these

Tags

CCSS.6.EE.B.8