Which ordered pair is a solution of 5x + 4y = 18?
O (-3,6)
O (2,4)
O (8,2)
O (-2,7)
1 answer:
Answer:
(-2,7)
Step-by-step explanation:
Remember: (x, y), Substitute the numbers:
1. (-3, 6)
5 • -3 + 4 • 6 = 18
-15 + 24 = 18
9 = 18 X, incorrect
2. (2, 4)
5 • 2 + 4 • 4 = 18
10 + 16 = 18
26 = 18 X, incorrect
3. (8, 2)
5 • 8 + 4 • 2 = 18
40 + 8 = 18
48 = 18 X, incorrect
4. (-2, 7)
5 • -2 + 4 • 7 = 18
-10 + 28 = 18
18 = 18, ☆, correct!
You might be interested in
Answer:
600, percentage increased by 120% percent of its value = 1,320.
Answer:
it a b c and d
Step-by-step explanation:
The slope is undefined, it doesn’t have a slope
Answer: 75
Step-by-step explanation:
Answer:
Step-by-step explanation:
Distance = √(16² + 12²) = 20 ft
