Use a graphing calculator to sketch the graph of the quadratic equation, and then give the coordinates for the x-intercepts (if they exist).y = 7x2 - 18x + 8
A. (0.571, 0); (2, 0)
B. (-0.571, 0); (-2, 0)
C. (0.571, 0); (-2, 0)
D. (-0.571, 0); (2, 0)
Answer: A
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Make a bar graph to represent the data.The following table shows the number of inches of rainfall measured at City X during the following days. Create a horizontal bar graph. 
What will be an ideal response?
Solve the problem.If x dollars is deposited every four weeks (13 times a year) into an account paying an annual interest 
expressed in decimal form, then the amount An in the account after n years can be approximated by the formula 
If a retirement account pays 6% annual interest, determine how much a 
worker would have to deposit in this account every 4 weeks in order to have a million dollars at age 65.
A. $4326.44 B. $334.75 C. $33,474.92 D. $43.26
Eliminate the parameter t. Find a rectangular equation for the plane curve defined by the parametric equations.x = 2 + sec t, y = 5 + 2 tan t; 0 < t < 
A. (x - 2)2 - 
= 1; x > 3
B. (x - 2)2 - (y - 5)2 = 4; -? < x < ?
C. (x - 2)2 + 
= 1; 1 ? x ? 3
D. (y - 2)2 - 
= 1; -? < x < ?
Evaluate dw.w = 5x4y + 5x4z;x = 5, y = 7, z = 3,dx = 0.01, dy = -0.03, dz = -0.01
A. 125.00 B. 50.00 C. 218.75 D. 156.25