Answer the question.Describe how the graph of y = x2 - 4 may be obtained from the graph of y = x2.
A. Shift 4 units to the left.
B. Shift 4 units down.
C. Shift 4 units up.
D. Shift 4 units to the right.
Answer: B
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Provide an appropriate response. Describe several tasks or occupations that would require you to find the area of a shape.
What will be an ideal response?
Factor the expression completely. If the polynomial is prime, state this as your answer.x2 - 14xy + 49y2
A. (x - 7y)2 B. (x - 7y)(x + 7y) C. (x + 7y)2 D. prime
Suppose a traveler wanted to visit a museum, an art gallery, and the state capitol building. 45-minute tours are offered at each attraction hourly from 10 a.m. through 3 p.m. (6 different hours). Solve the problem, disregarding travel time.In how many ways could the traveler schedule two of the three tours in one day?
A. 180 B. 30 C. 36 D. 120
Find the equation of the least squares line.Two separate tests are designed to measure a student's ability to solve problems. Several students are randomly selected to take both tests and the results are shown below. 
A. y = -0.930 + 19.4x B. y = 0.930 - 19.4x C. y = -19.4 - 0.930x D. y = 19.4 + 0.930x