Provide an appropriate response.A student tried to solve the equation 8x = 56 by dividing each side by 56. Why is this not the correct procedure for solving this equation?
What will be an ideal response?
Answers will vary: To get x alone on the left side, divide each by 8, the coefficient of x.
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Find the vertex, the focus, and the directrix of the parabola.(y + 2)2 = 20(x + 3)
A. V: (3, 2); F: (8, 2); D: x = -2 B. V: (-3, -2); F: (2, -2) ; D: x = -8 C. V: (-3, -2); F: (-8, -2); D: x = 2 D. V: (-2, -3); F: (3, -3); D: x = -7
Provide an appropriate response.Which one is correct, and which one is wrong? Give reasons for your answers.(a) src="https://sciemce.com/media/4/ppg__tttt0615190936__f1q135g7.jpg" style="vertical-align: -21.0px;" /> = 
= 
= - 
(b) 
= 0
What will be an ideal response?
Solve.Given the area and length of a rectangle, the width can be found using the formula 
Suppose the area of a rectangle is described by 
square feet and the length is described by 
feet. Find an expression for the width.
A. 
B. 
C. 
D. 
Solve the problem.The total cost in dollars for a certain company to produce x empty jars to be used by a jelly producer is given by the polynomial equation C(x) = 0.4x + 32,000. Find the cost of producing 50,000 jars.
A. $20,000 B. $52,000 C. $32.40 D. $50,032