Solving Quadratics Quiz Review

Where is the AOS (Axis of Symmetry) for 
y = -2x²+4x+2

• x = 2
• x = 1
• x = -1
• x = 4

What is the axis of symmetry of:y=2x²+8x+9

• x = 2

• x = -1

• x = -2

• x = 4

Tags

CCSS.HSA.REI.B.4

What is the vertex of the graph?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

What is the vertex of y= x² - 8x + 14 ?

• (2, 4)
• (-4, -2)
• (4, -2)
• (-2, 4)

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Does the function have a minimum/maximum/both/neither? y = 3x² + 2x + 4

• minimum

• maximum

• both

• neither

What is the max or min of the following equation:
y= (x+2)² - 1?

• min=-1
• max=-1
• min=-2
• max=-2

Where is the function increasing?

• (-∞,1)
• (1,∞)
• (-4, ∞)
• (-∞,4)

Put into standard form: y = (x - 3)² - 5

• x² + 3x + 4
• x² - 3x - 14
• x² + 6x - 14
• x² - 6x + 4

Write the equation of the quadratic function that has a vertex of (4,-1) and passes through the point (8, 3).

• y = 1/4(x - 4)² - 1
• y = 4(x - 4)² - 1
• y = 4(x + 4)² - 1
• y = 1/4(x + 4)² - 1

Tags

CCSS.HSA.SSE.A.1

CCSS.HSA.SSE.B.3

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.2

Solve by taking square roots:
3 + 9r² = 12

• r = 0
• no solution
• r = 3, r = -3
• r = 1, r = -1