M Alg I Quiz 9.1-9.3

What is the range?

• (-oo,oo)

• [-2,oo)

• (-oo,2]

• [0, 4]

Find the maximum or minimum value.

• max=3

• max = 9

• min = 3

• min = 9

Which value is the vertex?

• (-4, 0)

• (-1, -9)

• (0, -8)

• (2, 0)

What is the domain?

• (-oo,oo)

• (-oo, 2]

• (-oo,1]

• [1,oo)

Does this graph have a maximum or a minimum?

• maximum

• minimum

• I am not sure.

• neither

Does the equation open or or down? Is the vertex a maximum or minimum?

Y = -3x² +7x - 2

• up, minimum

• down, maximum

• up, maximum

• down, minimum

What is the range?

• (-oo,-2]

• [-2,oo)

• (-oo,oo)

• [2,-2]

What is the vertex of this parabola?

• (3,0)

• (0,-3)

• (1,2)

• (2, 1)

If the vertex of the given graph is (.5, - 6.25), tell whether it has a maximum or minimum value and what that value is.

• Max=.5

• Min=-6.25

• Max = -6.25

• Min = .5

What is axis of symmetry?

• x = 6

• x = 2

• x= 4

• x = - 4