Quadratic Equations When A Is Greater Than 1

• y=(x-3)(x-10)

• y=(x+3)(x+10)

• y=(x-5)(x+2)

• y=(x+5)(x-2)

Compare f(x) to g(x). Which statement is true about the functions number of roots.

• f(x) has more roots than g(x)

• They both have 2 roots.

• They both have 0 roots.

• g(x) has more roots than f(x)

Compare f(x) to g(x). Which statement is true about the vertex of these functions? (Remember, when a parabola is concave up, the vertex is a minimum).

• f(x) has a greater minimum than g(x).

• g(x) has a greater minimum than f(x).

Compare g(x) to f(x). Which statement is true?

• g(x) has 2 negative x-intercepts.

• f(x) has one positive and one negative x-intercepts.

• f(x) has 2 positive x-intercepts.

• g(x) has 2 positive x-intercepts.

Compare g(x) to f(x). Which statement is true about the x value of the vertex?

• The x value of the vertex is greater for f(x).

• The x value of the vertex is greater for g(x).

• The x values of each vertex are equal.

• Trick question, neither of these graphs have a vertex.

Which function is quadratic?

• f(x)

• h(x)

• g(x)

Compare f(x) to g(x). Which statement is true about their y-intercepts?

• f(x) has a negative y-intercept.

• g(x) has a negative y-intercept.

• They both have positive y-intercepts.

• They both have negative y-intercepts.

Compare g(x) to f(x). Which statement is true about their x-intercepts?

• g(x) and f(x) each have 2 x-intercepts.

• g(x) and f(x) each have 0 x-intercepts.

• g(x) has 2 x-intercepts and f(x) has 0.

• f(x) has 2 x-intercepts and g(x) has 0.

Does this graph have a maximum or minimum value?

• maximum

• minimum

• neither

• both

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

• 2

• -2

• 1

• -1