Answer:
Option C is the correct option.
Step-by-step explanation:
Discriminant =
Given d = 15
When discriminant D > 0 --> roots are real and distinct. ( unequal )
So , option has real and distinct roots.
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4620
Multiples of 308:
308, 616, 924, 1232, 1540, 1848, 2156, 2464, 2772, 3080, 3388, 3696, 4004, 4312, 4620, 4928, 5236
Multiples of 420:
420, 840, 1260, 1680, 2100, 2520, 2940, 3360, 3780, 4200, 4620, 5040, 5460
Therefore,
LCM(308, 420) = 4620
a)18.8
b)20
Basically, you have to add all the numbers from the data set (188) then divide them by 10 and that equals 18.8
The second part you have to add 32 to 188 ( which equals 210) and that by 11 which equals 20
Y=-4x+8
<u>Option 2</u>
Evaluating the options :
<u>Option 1</u>
<u>Option 2</u> is the right answer.