Quadratics Review

What is the value of a in the equation for this parabola?

Write the equation of the graph in factored form.

• (x-4)(x+3)=0

• -(x+3)(x-4)=0

• (x+4)(x-3)=0

• -(x-3)(x+4)=0

Which equation is CORRECT for the graph?

• $y=\left(x-1\right)\left(x+5\right)$

• $y=\left(x-1\right)\left(x-5\right)$

• $y=\left(x+1\right)\left(x+5\right)$

• $y=\left(x+1\right)\left(x-5\right)$

Which quadratic equation models the parabola shown below?

• y = 0.25(x-2)(x+2)

• y = -0.25(x-2)(x+2)

• y = 4(x-2)(x+2)

If given the equation y = 3(x + 5)² - 4, what is the vertex of the parabola?

• (5, -4)
• (-5, -4)
• (-15, -4)
• (15, -4)

Which of the following is the correct equation for the given graph?

• f(x) = (x - 2)² - 1
• f(x) = (x + 2)² - 1
• f(x) = -(x + 2)² - 1
• f(x) = -(x - 2)² - 1

Find the y-intercept of f(x) = 2x²-2x + 1

• 2
• -2
• 1
• -1

Which of the following is standard form of a quadratic equation?

• opens down
• vertex at (-1,5)
• y-intercept at (0,-5)
• Vertical stretch by 3

Which of the following is the vertex form of a quadratic equation?