First Semester Study Guide Part 2

What are the values of a, b, and c in the quadratic equation 3x² - 10 = -4x

• a = 3x² b = -10 c = -4x

• a = 3 b = -10 c = -4

• a = 3 b = -4 c = -10

• a = 3 b = 4 c = -10

What are the solutions for the equation 2x² + 16x = 18

• x = -1 and x = 9

• x = -9 and x = 1

• x = 2 and x= 18

• x = 2 and x = 16

Which of the following is NOT an example of quadratic equations?

• 2x² - 3 = 2x

• -8x - 15 = -x²

• x + 3y = 45

• x² + 7x + 10 = 0

Check all the examples of quadratic equations.

• y² - 8y + 16 = 0

• x = 15

• x² - 12 = 4x

• y - 6 = y²

What is the standard form of 9x - 16 = 3x - x²?

• x² +12x -16 = 0

• 2x² + 9x -16 = 0

• x² + 6x -16 = 0

• -x² + 6x - 16= 0

Which value is the vertex?

• (-4, 0)

• (-1, -9)

• (0, -8)

• (2, 0)

Does this graph have a maximum or a minimum?

• maximum

• minimum

• I am not sure.

• neither

Does this graph have a maximum or a minimum?

• maximum

• minimum

• I am not sure.

• neither

What are the zeroes of this graph?

• x = -4 and 2

• x= -1 and 0

• x = 9 and -8

• x= 4 and -2

What are the zeroes?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2 and x= -2