Solve by graphing quadratics

Front

What are the x-intercepts of the equation 2(x + 5)(x + 1) = 0?

Back

x = -5, -1

Front

What is the vertical line that divides the parabola into two equal parts?

Back

axis of symmetry

Front

What are the x-intercepts of the equation y = x^2 - 4?

Back

x = 0 and x = 4

Front

The axis of symmetry line passes through which point?

Back

vertex

Front

What is the green dot on the parabola called when it is the highest point?

Back

maximum

Front

What is the standard form of a quadratic equation?

Back

y = ax^2 + bx + c

Front

What does the vertex of a parabola represent?

Back

The highest or lowest point of the parabola.

Front

How do you find the axis of symmetry for a quadratic equation in standard form?

Back

x = -b/(2a)

Front

What is the significance of the discriminant in a quadratic equation?

Back

It determines the number of real roots.

Front

What is the formula for the roots of a quadratic equation?

Back

x = (-b ± √(b² - 4ac)) / (2a)