The graph of two equations along with the points of intersection are given. Substitute the points of intersection into the systems of equations. Are the points of intersection solutions to the system of equations (Y/N)?
A. Yes
B. No
Answer: B
Mathematics
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Factor any difference of two squares, or state that the polynomial is prime. Assume any variable exponents represent whole numbers.81 - 4y2
A. (9 - 2y)2 B. (9 + 2y)(9 - 2y) C. (9 + 2y)2 D. prime
Mathematics
Solve the problem. Round to the nearest cent.Find the future value of $8000 invested over 19 years in an account with an APR of 1% compounded annually.
A. $9440.00 B. $9664.87 C. $9569.18 D. $9520.00
Mathematics
Determine whether the expression is a polynomial. If it is, state how many terms and variables the polynomial contains. Then state its degree.5x-1y-3 - 4y
A. Yes; 2; 2; 4 B. Yes; 2; 2; -4 C. Yes; 1; 1; -3 D. No
Mathematics
Find 
(a) for the function f and the real number a.
f (x) = 
+ x – 5; a = –5
a. –1
b. 2
c. 1
d. 0
Mathematics