Find the slope of the line containing the two given points.(-5, 4) and (9, 8)
A. - 
B. 
C. 
D. 3
Answer: B
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Use mathematical symbols to translate the phrase. Use x to represent the unknown number. If there are two unknown numbers, use x and y to represent the numbers.7 more than half of some number
A. 
B. x + 
C. 
D. 
+ 7
State the end behavior of the graph of f.f(x) = 4 - 
x2
A. Down on both sides B. Up on both sides C. Down on left side, up on right side D. Up on left side, down on right side
Use a graphing calculator to plot the data and find the quadratic function of best fit.An engineer collects data showing the speed s of a given car model and its average miles per gallon M. Use a graphing calculator to plot the scatter diagram. What is the quadratic function of best fit?
A. M(s) = 0.063x2 + 0.720x + 5.142 B. M(s) = -0.631x2 + 0.720x + 5.142 C. M(s) = -6.309x2 + 0.720x + 5.142 D. M(s) = -0.0063x2 + 0.720x + 5.142
Solve. Round your answer to the nearest tenth, if necessary.An object is thrown upward from the top of a 
building with an initial velocity of 48 feet per second. The height, h, of the object after t seconds is given by the quadratic equation 
When will the object hit the ground?
A. In 5 seconds B. In 160 seconds C. In 2 seconds D. In 7 seconds