Quadratics Review

Which graph represents an equation with one real solution?

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What are the solutions of the equation  $2x^2+11x-6=0$  ?

• -1 and 12

• -12 and 1

• -6 and 1/2

• -1/2 and 6

Which formula represents the quadratic formula?

• $x=b^2-4ac$

• $x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

• $y=ax^2+bx+c$

• $y=a\left(x-h\right)^2+h$

What is the solution of  $x^2-5x=5$  ?

• x = -5 and 1

• x = -1 and 5

•  $x=\frac{5\pm\sqrt{5}}{2}$  

•  $x=\frac{5\pm\sqrt{45}}{2}$  

Which of the following equations matches standard form of a quadratic?

• $ax+by=c$

• $y=ax^2+bx+c$

• $y=a\left(x-h\right)^2+k$

• $y=mx+b$

Which of the following forms are best to use if we want to identify the vertex of a quadratic function?

• Intercept Form

• Standard Form

• Vertex Form

The graph of a quadratic function is called a ...

• Axis of Symmetry

• Vertex

• Parabola

• Vertex Form

The axis of symmetry line passes through which point?

• y-intercept
• any random point
• vertex
• symmetrical point for the vertex

Tags

CCSS.HSG.GPE.A.2

Determine the vertex of the parabola y=5(x-2)²–7

• (5, -7)

• (-2, -7)

• (2, -7)

• (-7, -2)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Convert the equation y= x²-2x-5 into vertex form. 

• y= (x-1)²-6
• y= -(x-1)²-6
• y= (x+1)²-6
• y= -(x+6)²-1

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSF.IF.C.8