Quadratic Function Question Preview (ID: 39847)


Quadratic Function. TEACHERS: click here for quick copy question ID numbers.

A parabola graph which opens downward is classified as
a) concave down
b) concave right
c) concave left
d) concave up

Axis of symmetry in form of vertical line separates parabola into
a) three equal halves
b) two equal halves
c) four equal halves
d) five equal halves

The function y=3x² -12x has
a) a minimum value of -12
b) a minimum value of 2
c) a maximum value of -12
d) a maximum value of -2

If the roots of an equation are -2 and 4, then the discriminant is:
a) a negative number
b) 0
c) an imaginary number
d) a positive number

For the function y=a x² + bx + c, the y-intercept is always:
a) c/a
b) -b/2a
c) c
d) 4ac-b²

If roots of x² - 5x + a = 0 are equal, then a
a) 25/5
b) 25/4
c) -25/4
d) -25/5

For a quadratic equation a x² + bx + c sum of root is
a) none of the above
b) c/a
c) b/a
d) -b/a

Quadratic equation whose roots are α, β is
a) x² - (α + β)x + αβ = 0
b) x² + (α + β)x + αβ = 0
c) x² - (α + β)x - αβ = 0
d) x² + (α + β)x - αβ = 0

Which of the following sequences could be generated by a quadratic function?
a) 1, 2, 3, 4, …
b) 2, 4, 8, 12, …
c) -5, -3, 3, 13, …
d) 2, 6, 18, 54, …

The graph of the equation y=( x+7)² + 4 is the image of y= x² after:
a) a horizontal translation of -7 and a vertical translation of 4
b) a horizontal translation of 7 and a vertical translation of 4
c) a horizontal translation of -7 and a vertical translation of - 4
d) a horizontal translation of 7 and a vertical translation of -4

Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 39847 in the upper right hand corner or click here.

TEACHERS / EDUCATORS
Log In | Sign Up / Register

Help / Support / FAQ




Gaming Links