Use an inverse matrix to solve (if possible) the system of linear equations.
a. ( -2, 2)
b. (2,2)
c. (-2-2)
d. (2,-2)
d. (2,-2)
Mathematics
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Write the solution set in interval notation.{x|-5 ? x < -1}
A. (-5, -1) B. (-5, -1] C. [-5, -1) D. [-5, -1]
Mathematics
Add the given vectors by using the trigonometric functions and the Pythagorean theorem.A = 31.0, ? = 114.6 °B = 12.6, ? = 159.3 °
A. R = 40.9, ? = 322.9 ° B. R = 40.9, ? = 307.1 ° C. R = 2.8, ? = 307.1 ° D. R = 40.9, ? = 127.1 °
Mathematics
Use the power rules for exponents to simplify. Write the answer in exponential form.
7 (q ? 0)
A. 
B. 
C. 
D. 
Mathematics
Give all possible rational zeros for the following polynomial.P(x) = 14x3 + 56x2 + 2x - 7
A. ±1, ±7, ± 
B. ±1, ± 
, ±2, ± 
, ±7, ±14
C. ±1, ± 
, ±7, ± 
, ± 
D. ±1, ± 
, ±7, ± 
, ± 
, ± 
Mathematics