Standard and Intercept Form

Multiple Choice

Determine the values of
a, b, and c for
the quadratic equation: 
4x² – 8x = 3

• a = 4, b = -8, c = 3
• a = 4, b =-8, c =-3
• a = 4, b = 8, c = 3
• a = 4, b = 8, c = -3

Multiple Choice

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

• the roots
• the x-value of the vertex
• the y-intercept
• the axis of symmetry

Multiple Choice

What is the y-intercept?
f(x) = -2x² + 4x - 6

• (0, 6)
• (0, -6)
• (6, 0)
• (-6, 0)

Multiple Choice

Which equation is the intercept form of a quadratic function?

• f(x) = mx + b

• f(x) = a(x - p)(x -q)

• f(x) = ax² + bx + c

• f(x) = a(x - h)² + k

Multiple Choice

What are the root(s) for g(x) =3(x + 8)(x + 2)

• (8,0) (2, 0)

• (3, 0)

• (-8,0) and (-2,0)

• (0,-8) and (0,-2)

Multiple Choice

Find the solutions of the function $$y=(x+7)(2x-1)$$  

• x= -7 and 1

• x= 7 and -1/2

• x= -7 and 1/2

• x= -7 and -1/2

Multiple Choice

Which equation matches the x-intercepts x=5,-7 ?

• (x+5)(x-7)=0

• (x-5)(x+7)=0

• (x+5)(x+7)=0

• (x-5)(x-7)=0