40 POINTS AND BRAINLIEST!! I NEED THIS DONE ASAP

Mathematics

1 answer:

inna [77]3 years ago

8 0

(a) Answer: One solution.

Explanation: two lines that have same slope with opposite sign will necessarily cross each other at a single point, as one is "pointing uphill" and the other "downhill."

(b) Answer: Infinitely many solutions.

Explanation:

2x + 3y = 5.5

4x + 6y = 11 | divide by 2

-->

2x + 3y = 5.5

--> equations are identical.

2x + 3y = 2x + 3y

so any (x,y) will satisfy this equation. This means infinitely many solutions.

Explanation:

Continuing the two lines it becomes obvious they will cross at one point (the solution)

(d) Answer: No solution

Explanation: If the two lines are parallel, they will never cross (by definition of "parallel"). Therefore there will be no solution to the corresponding linear system.

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