Which of the following function is quadratic?
Select one:
a.
f left parenthesis x right parenthesis equals x cubed minus x plus 11
b.
g left parenthesis x right parenthesis equals negative 2 x plus 1
c.
h left parenthesis x right parenthesis equals x squared minus 7
d.
y equals negative 1 over x
c. h(x) equals x squared minus 7
Which of the following statements is true? Quadratic functions have:
Select one:
a.
2 or more x-intercepts
b.
a range where y greater or equal than m i n space v a l u e or y less or equal than m a x space v a l u e
c.
intersect the y-axis twice
d.
a straight line graph
a. 2 or more x-intercepts
A graph of a quadratic function can be represented by the equation f left parenthesis x right parenthesis equals a x squared plus b x plus c. If the graph has a minimum value and passes through the point (0, 6), which of the following statements is true?
Select one:
a.
a greater than 0 space space a n d space space c less than 0
b.
a greater than 0 space space a n d space space c greater than 0
c.
a less than 0 space space a n d space space c less than 0
d.
a less than 0 space space a n d space space c greater than 0
a. a greater than 0 and c less than 0
Which of the following quadratic functions has a y-intercept of (0, 3)?
Select one:
a.
y equals 1 third x squared minus 4 x minus 3
b.
g left parenthesis x right parenthesis equals negative left parenthesis x plus 1 right parenthesis squared plus 3
c.
f left parenthesis x right parenthesis equals 5 x squared minus 2 x plus 3
d.
h left parenthesis x right parenthesis equals negative 2 x squared plus 3 x
c. f(x) equals 5x squared minus 2x plus 3
A quadratic function is known to have x-intercepts at (-12, 0) and (4, 0), and a y-intercept at (0, 8). What is the equation for the axis of symmetry?
Select one:
a.
x = 8
b.
x = -6
c.
x = -4
d.
x = 2
d. x = 2
A quadratic function has zeros of negative 4 space space a n d space 3 over 2. When this function is written in Factored Form it must have factors of
Select one:
a.
x - 4 and 2x + 3
b.
x + 4 and 2x - 3
c.
x - 4 and 2x - 3
d.
x + 4 and 2x + 3