Quadratics Review

What is the name of a quadratic graph?

• vertex
• axis of symmetry
• parabola
• zero

Tags

CCSS.HSF-IF.C.7A

What are the solutions (x-intercepts) for this graph?

• { 0, -8}
• {4, 80}
• {0, 8}
• no real solution

Factor the expression x² + 6x + 5

• (x+6)(x-1)
• (x+1)(x+5)
• {-6, 1}
• {-5, -1}

An function written in the form f(x)=ax²+bx+c, a≠0 is 

• linear
• quadratic
• cubic
• absolute value

Solve the equation (x+5)(x-10)=0

• {5, -10}
• x²-5x-50
• {-5, 10}
• no solution

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to solve         3x²+2x-4=0

• {1.54, 0.87}
• {1.54, -0.87}
• {-1.54, 0.87}
• no solution

Tags

CCSS.HSA-REI.B.4B

What transformation has happened from f(x) = x² to f(x) = x² + 6?

• The new function shifts down 6 units.
• The new function shifts up 6 units.
• The new function is narrower.
• The new function is wider.

What transformation has happened from f(x) = x² to f(x) = x² - 3?

• The new function gets wider.
• The new function gets narrower.
• The new function shifts down 3 units.
• The new function shifts up 3 units.

What is the vertex of
f(x) = (x - 1)² + 2?

• (-1, 2)
• (-1, -2)
• (1, 2)
• (1, -2)

What is another name for the x-intercepts of a quadratic?

• y-intercept
• Zeros
• x-axis
• They don't have another name

Tags

CCSS.HSF-IF.C.7C