Algebra 9.1-9.4

Does this graph in the back have maximum or minimum value?

• maximum
• minimum
• neither
• both

A parabola has a vertex at (-3,2). Where is the axis of symmetry?

• y = -2
• x = 3
• x = -3
• y = 2

Which answer choice describes y = -3x² +7x - 2 accurately?

• Function opens down

• Function opens up

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

(Hint: the y-intercept is the C value)

• 2

• -2

• 1

• -1

Is this a max or min?

• max
• min
• cannot be determined

What is the axis of symmetry?

• the slope of the quadratic function

• the dividing line that cuts the parabola in half

• a way to spin my pencil

• the x-axis compared to the function

What is the vertex of this parabola?

• (−1, 3)
• (−3, 11)
• (−2, 5)
• (0, 5)

What is the y-intercept of this parabola?

• (−1, 3)
• (−3, 11)
• (−2, 5)
• (0, 5)

Where is the axis of symmetry for this parabola?

• x = −1

• x = 0

• y = 3

• x = −3

Which of the following equations matches standard form of a quadratic?

• ax + by = c
• y = a(x - h)² + k
• y = ax² + bx + c
• y = mx + b