Quadratic Geometry

A plane curve which is mirror-symmetrical and is approximately U-shaped is called _____.

• hyperbola

• ellipse

• parabola

• circle

In the equation y=2x²+1, what is the value of y if x = 2?

• y = 5

• y = 7

• y = 9

• y = 6

What direction does the parabola of the equation: y=-3x²+9x-1 ?

• opens upward

• opens downward

• open to the left

• open to the right

• 1

• 3

• 2

• 5

• 4

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

• opens up with a maximum

• opens up with a minimum

• opens down with a maximum

• opens down with a minimum 

Does the equation have a maximum or minimum point?

• max

• min

What is the definition of line of symmetry?

• the slope of the graph

• the dividing line for a parabola

• a way to spin my pencil

• the x-axis

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

• 2

• -2

• 1

• -1

Is this a maximum or minimum curve?

• maximum

• minimum