Unit 5 Test - Algebra

Solve the equation by factoring.

• x = {1}

• x = {-1}

• x = { }

• no solution

What can the roots to a quadratic equation be called?

• zeros

• solutions

• x-intercepts

• none of the choices

Solve the equation using the quadratic formula.

x² + 7x = x - 10

• -6/2 + √4

• -6/2 - √4

• no solution

• ∅

Which value is the vertex?

• (-4, 0)

• (-1, -9)

• (0, -8)

• (2, 0)

What are the zeros of this graph?

• x = {-4, 2}

• (-4, 0 ) and (2, 0)

• x = {-1, 0}

• (-1, 9 ) and (0, -8)

Does this graph have a maximum or a minimum?

• maximum

• minimum

• I am not sure.

• neither

What is the equation for standard form?

• y = x² + bx + c

• y = ax² + bx + c

• y = mx + b

• Ax + By = C

The line that goes through the vertex of a parabola is called the...

• Vertex
• Axis of Symmetry
• x-intercept
• y-intercept

Which is these equations is a quadratic function?

• f(x)=2x+5
• f(x)=2^x
• f(x)=(x+1)³
• f(x)=(x-5)²

How many x-intercepts does this quadratic have?

• 0
• 1
• 2
• infinitely many