jasmine2555
10.07.2019 •
Mathematics
7x+11y = 5
14x+cy = 8
if c is a constant, for what values of c will there be no solution (x,y) to the system of equation
a.5
b.7
c.18
d.22
Solved
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Ответ:
D: 22
Step-by-step explanation:
There will be no solution if the two lines are parallel. The given lines
7x+11y = 5
14x+cy = 8
will be parallel if c = 22, because then the 2nd equation is just a constant multiple of the first. Answer D is the correct one.
Ответ: