Question 20
The solution to the linear inequality
− 10 x + 2 y > − 4
will be the half-plane lying
a) on and below the solid line − 10 x + 2 y = − 4.
b) below the solid line − 10 x − 2 y = − 4.
c) above the dashed line − 10 x + 2 y = − 4.
d) on and above the solid line − 10 x + 2 y = − 4.
e) below the dashed line − 10 x + 2 y = − 4.
f) None of the above.
Question 19
Find the point of intersection of the lines
3 x − 6 y = 12
− 4 x + 8 y = − 16
a) No point of intersection.
b) Infinitely many points of intersection.
c) (-4⁄3 , -8⁄9)
d) (20⁄9 , 3 )
e) (-20⁄9 , 8⁄3)
f) None of the above.
Question 18
Given the system of equations:
y = − 10 x − 10
− 7 x − 10 y = − 5
Find the y-coordinate of the point of intersection of the two lines.
a) 40⁄93
b) -120⁄7
c) 40⁄31
d) 50⁄93
e) -20⁄93
f) None of the above.
Question 20 The solution to the linear inequality − 10 x + 2 y > −...
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