Find the vertex and axis of symmetry of the graph of the function.f(x) = x2 + 8x
A. (16, -4); x = 16
B. (-4, -16); x = -4
C. (4, -16); x = 4
D. (-16, 4); x = -16
Answer: B
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Find the slope of the line through the points.(16, -9) and (15, 11)
A. 20
B. - 20
C. - 
D. 
The following line graph represents data pertaining to water flows over a dam. Use the graph to answer the following question(s).
During which months did the flow decrease?
A. October to November and February to March B. December to January and February to March C. October to November and March to April D. December to January and March to April
Round the whole number to the given place value.4278, hundreds
A. 4200 B. 4290 C. 4400 D. 4300
Find the indicated unit price.A store charges $4.76 for 7 oranges. What is the unit price per orange?
A. $0.68 per orange B. $33.32 per orange C. $1.47 per orange D. $4.76 per orange