Quadratics Review Algebra

Which equation matches the graph shown here?

• y = 2(x - 4)² + 5

• y = -2(x - 4)² + 5

• y = 2(x + 4)² + 5

• y = -2(x + 4)² + 5

Tags

CCSS.HSF-IF.C.7A

Multiply:
(3x – 1)(x + 5) 

• 3x² + 4x + 5

• 3x² + 4x - 5

• 3x² + 14x + 5

• 3x² + 14x - 5

Tags

CCSS.HSA.APR.A.1

What are the green dots called?

• axis of symmetry

• vertex

• parabola

• roots or x-intercepts

Tags

CCSS.HSF-IF.C.7A

What are the solutions? Hint: look at x-intercepts

• x= -5

• x= -1 and x = 5

• (2,-9)

• Cannot be determined

Which answer choice describes  y = -3x² +7x - 2 accurately?

• opens up with a maximum

• opens up with a minimum

• opens down with a maximum

• opens down with a minimum 

Tags

CCSS.HSF-IF.C.7A

• 1

• 3

• 2

• 5

Which of the following represents a quadratic function?

• 1

• 3

• 2

• 5

• 4

What are the solutions? (Hint: Graph and look for x-intercepts using "Graph trace")

• x = 6,2

• x = -6, -2

• x = 8, 12

• x = 4, 4