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# express y=(x-2)^(2)+4 in standard form

a. y=x^(2)-4x+4 b. y=x^(2)-4x+8 c. y=x^(2)-4x d. y=x^(2)+4x+4

# identify the line of symmetry of then parabola defined by y=-2(x+w)^2+6

a. x=-6 b. x=6 c. x=-4 d. x=4

# descirbe the nature of the roots of then equation x^(2)-4x-x+4=0

a. one real root b. two real roots c. two imaginary roots c. cannot be determined

# identify the value of the discriminant for the equation 6x^(2)=2x-1

a. -20 b. 28 c. 24 d. -22

# which term is linear term in the equation y=2x^(2)-3x+5

a. 5 b. 2x^(2) c. -3 d. -3x

# when solving a quadratic equation by graphing, we find the roots using which of the following?

a. vertex b. x-intercepts c. y-intercepts d. none of the above

# identify the vertex of the parabola defined by y=2x^(2)+8x+9

a. (4,41) b. (2, 33) c. (-4,9) d. (-2, 1)

2y=4x+2 y+3=2x

# find the coordinates of the ordered pair where the minimum value occurs for the equation L=0.5-0.3y

, given constraints x-ygreater than or equal to -2 x+y greater than or equal to -4 and 2x-y less than or equal to 4