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 = -x2 + 14x - 45
A. (-5, 0); (9, 0)
B. (5, 0); (9, 0)
C. (-5, 0); (-9, 0)
D. (5, 0); (-9, 0)
Answer: B
Mathematics
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Let x represent one number and let y represent the other number. Use the given conditions to write a system of equations. Solve the system and find the numbers.One number is 1 less than a second number. Twice the second number is 19 less than 5 times the first. Find the two numbers.
A. 6 and 7 B. -8 and -7 C. 8 and 9 D. 7 and 8
Mathematics
Solve the equation for x. Give an approximate solution accurate to four decimal places.ln(13x + 6) = -1.1
A. -0.9445 B. -0.4359 C. -73.6723 D. -5.6671
Mathematics
Draw the graph of the equation.x2 + y - 3 = 0
A. 
B. 
C. 
D. 
Mathematics
Solve.82 ? m = 16,072
A. 197 B. 15,989 C. 196 D. 15,990
Mathematics