WARM UP 3/6

Which of the following is standard form of a quadratic equation?

• y=x²
• y=ax²+bx+c
• y=mx+b
• y=x

What is the point inside the parabola 'p' units from the vertex?

• vertex
• focus
• directrix
• axis of symmetry

Tags

CCSS.HSG.GPE.A.2

What is another word for zeros?

• y-intercepts
• roots
• vertex
• axis of symmetry

If given the equation y = 3(x + 5)² - 4, what is the vertex of the parabola?

• (5, -4)
• (-5, -4)
• (-15, -4)
• (15, -4)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Which of the following is the correct equation for the given graph?

• f(x) = -(x + 2)² - 4
• f(x) = 3(x - 2)² - 4
• f(x) = -3(x - 2)² - 4
• f(x) = -3(x + 2)² - 4

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Which of the following is the correct equation for the given graph?

• f(x) = (x - 2)² - 1
• f(x) = (x + 2)² - 1
• f(x) = -(x + 2)² - 1
• f(x) = -(x - 2)² - 1

Tags

CCSS.HSF-IF.C.7A

If the directrix is y = 4 and the focus is at

(3, 0), the vertex is

• (3, 0)

• (3, 2)

• (3.5, 0)

• (0, 3.5)

What is the solution set to the inequality 0<x²-4x-5

• x<-1 or x>5
• x<-5 or x>1
• -1<x<5
• -5<x<1

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

Two equations were graphed on the set of axes below.  Which point is a solution to the system of equations ?

• (0,3)
• (5,0)
• (2,-3)
• (8,9)

Tags

CCSS.HSA.REI.C.7

What are the solutions to the system:
y = x² + 3x - 5
y = x + 3

• (-4, 2) and (-1, 5)
• (-4, -1) and (2, 5)
• (2, -1 and (-4, 5)
• (-4, 1) and (2, -1)

Tags

CCSS.HSA.REI.C.7