Solving Quadratics Practice 1

Standard form of a quadratic equation

• y=x²
• y=ax²+bx+c
• y=mx+b
• y=x

What do you do to the b value to correctly complete the square?

• square it
• divide it by 2 and square the result
• divide it by 2 and take the square root of the result
• divide it by 2 only

Tags

CCSS.HSA-REI.B.4B

What are the
x-intercepts of the function
f(x)= (x - 2)(x + 3)?

• x = - 2 or x = 3
• x = 2 or x = -3
• The are no real roots
• x = 2 or x = 3

Tags

CCSS.HSA.APR.B.3

What are the solutions to this equation? (x-3)(x+2)=0

• x=3,-2
• x=-3,2
• x=2,3
• x=3,2

Tags

CCSS.HSA-REI.B.4B

The x-intercepts of a quadratic equation are known as the _____.

• vertices
• squares
• zeros
• formulas

Tags

CCSS.HSF-IF.C.7A

What are the zeros?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

What are the roots of the graph?

• No Solution

• -4

• (-2, 4)

• -4 and 0

Which of the following is an example of quadratic equations?

• x + 9 = 0

• x + y =12

• x³ + 5x² - 14 =0

• x² - 2x = 7

Tags

CCSS.8.EE.C.7B

Which of the following is in the standard form?

• y² - 7y + 12 = 0

• x³ - x² + 3x -8 = 0

• x² +9x = 34

• y² - 10 = -3y

• A.

  Divide both sides f the equation by 3.

• B.

  Take the square root of both sides of the equation.

• C.

  Subtract 12 from both sides of the equation.

• D.

  Find two values with a sum of 5 and a product of 12.

Tags

CCSS.HSA-REI.B.4B