Multiply and simplify.-6z ? 
A. 0
B. 36z
C. 1
D. -1
Answer: C
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Find the equation of the parabola satisfying the given conditions. The vertex is at the origin.Directrix x = -7
A. y2 = 28x
B. y = 
x2
C. 28y = x2
D. y2 = -28x
Which mathematical representation is most suitable for showing how the bus routes in a city connect to one another?
a. Vector b. Matrix c. Tree diagram d. Network diagram
Find an equation for the line with the given properties.Perpendicular to the line 3x + 4y = -5; y-intercept = 1
A. 3x + 4y = 3 B. 4x - 3y = -3 C. 3x + 4y = 4 D. 4x - 3y = 4
Use a grapher to find the vertex or x-intercepts, as indicated, of the quadratic function.Find the x-intercepts of the function f(x) = 2.47x2 + 3.789x - 8.37. Round to two decimal places if needed.
A. (1.84, 0), (-2.76, 0) B. No x-intercepts C. (1.23, 0), (-2.76, 0) D. (2.76, 0), (-1.23, 0)