Solving Quadratics by graphing

Front

What is the green dot on the parabola called?

Back

maximum

Front

What are the solutions to the function y = x^2 + 4x + 4?

Back

x = -2

Front

What are the solutions to the function y = x^2 - 6x + 8?

Back

x = 2 and x = 4

Front

How many solutions does the function y = x^2 + 2x + 1 have?

Back

two

Front

What is another way to say 'where a function crosses the x-axis'?

Back

all of these (x-intercept, zero, root)

Front

What is the vertex of a parabola?

Back

The highest or lowest point on the graph of a quadratic function.

Front

What does the axis of symmetry represent in a parabola?

Back

A vertical line that divides the parabola into two mirror-image halves.

Front

How do you find the x-intercepts of a quadratic function?

Back

Set the function equal to zero and solve for x.

Front

What is the standard form of a quadratic function?

Back

y = ax^2 + bx + c

Front

What does the 'a' value in the quadratic equation affect?

Back

It determines the direction and width of the parabola.