1st Quiz

It is an equation with the highest degree of to an can be written in the form ax² + bx + c = 0, where a, b, and c are real numbers and a≠0.

• Linear Equation

• Quadratic Equation

• Polynomial Equation

• None of the above

Which of the following is a quadratic equation?

• 2r² + 4r - 1

• 3t - 7 = 12

• s² + 5s - 14 = 0

• 2x² - 7x ≥ 0

What quadratic equation is being described given the values of a = 2, b = 5 and c = 2?

• 2x² + 2x + 5 = 0

• 2x² - 2x - 5 = 0

• 2x² + 5x + 2 = 0

• 2x² - 5x + 2 = 0

Which of the following quadratic equation can easily be solved by factoring?

• x² = 16

• x² - 2x + 1 = 0

• (x - 1)² + 2 = 3x

• 2x² + 3x = 4

What is the square of a binomial expression m² + 12m + 36?

• (m + 12)²

• (m + 6)²

• (m - 12)²

• (m - 6)²

Which of the following are factors of -72 in which the sum is 1?

• (8, 9)

• (-8, -9)

• (-8, 9)

• (-9, 8)

What are the solutions of the quadratic equation x² + x - 56 = 0?

• 2 & -1

• -2 & 1

• 8 & -7

• -8 & 7

Which of the following is NOT an example of a quadratic equation?

• x² + 4x + 4 = 0

• y² + 18y + 81 = 0

• (x - 8)² = 0

• m² + 2m + 1 >0

What is a factor?

• A factor of a number is a number that divides the given number evenly or exactly, leaving no remainder.

• A factor of a number is a number that divides the given number evenly or exactly, leaving a remainder

• A factor of a number is a number that multiplies the given number evenly or exactly, leaving no remainder

• A factor of a number is a number that subtracts the given number evenly or exactly, leaving no remainder

What is a multiple?

• A multiple is the sum of a given number and any whole number.

• A multiple is the product of a given number and any whole number.

• A multiple is the quotient of a given number and any whole number.

• A multiple is the difference of a given number and any whole number.