Personalized Competency Based Test in Quadratic Equations

The formula x = -b/2a is used to find

• the roots

• the x-value of the vertex

• the y-intercept

• the axis of symmetry

When a parabola opens downward the vertex is

• a minimum

• a maximum

• a vertex

• a parabola

Does the equation open or or down? 
Y = -3x² +7x - 2

• up

• down

Tags

CCSS.HSF-IF.C.7A

The formula
b² - 4ac
is called the

• quadratic formula

• factored form

• vertex formula

• the discriminant

Tags

CCSS.HSA-REI.B.4B

The discriminant finds the

• number of solutions

• x-intercepts

• y-value of vertex

• y-intercept

Tags

CCSS.HSA-REI.B.4B

If the discriminant is greater than zero, the equation has

• solution

• solutions

• no solutions

If the discriminant is less than zero, the equation has

• solution

• solutions

• no solutions

Tags

CCSS.HSA-REI.B.4B

The equation
y = x² -12x + 36 has

• solution

• solutions

• no solutions

• YES

• NO

• 36 , -36

• 6 , -6

• 6 , -7

• 6 , -8