Algebra 2 - Solve Quadratic Equation by Graphing/ReviewFactoring

Using the graph, how many solutions does this function have?

• two

• one

• all real numbers

• no real solutions

What is another word that describes the zeroes of a quadratic function?  

• y-intercepts

• vertex

• roots

• maximum

If the graph of a quadratic does not intercept the x-axis at any point, then it has:

• 1 Real Solution
• 2 Real Solutions
• Half a Solution
• No Real Solution

What are the roots of the given graph?

• X = {0, 8}

• X = {0, 2}

• X = {3, -1}

• X = {2, 4}

Which is a zero of the graph?

• 0
• -1
• 1.5
• -3

What are the green dots called?

• axis of symmetry
• vertex
• parabola
• roots or x-intercepts

Factor out the GCF of 2x² + 4x

• 2(x² + 2x)

• 2x(x + 2)

• x(2x + 4)

• 2x(x + 2x)

Factor
x² -16x + 48

• (x - 12)(x - 4)
• (x + 6)(x - 8)
• (x + 12)(x - 4)
• (x -16)(x - 3)

What is a method of checking your work when factoring?

• FOIL
• asking the teacher every time
• assume you're correct
• division