Rewrite the following equation in slope-intercept form.
1 answer:
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First of all you neeeeeed to make sure you know the formula for slope!
which is...
y2 - y1
m = -----------
x2 - x1
and since they already gave you two x and y coordinates this is really simple:) first of all you need to understand what is y2, y1, or x2, x1
taking the points (6,-3) i hope u understand that 6 is the x and -3 is the y. so knowing that information you always remember to use the information in the order that they gave it to you. i will add an extra link to help explain. Sooo then knowing that you plug it into the formula that I gave you earlier
so look at the next link that i made:)
so your slope is 6/5! or 1.2 as a decimal
hopefully you would know what an equation looks like but just in case this is it y = mx+b
so your equation looks like this y = 1.2x -3
where did i get the -3?
well look at first x and y coordinate thats your first y intercept:))
hope i helped!!.... and that this was right lol
let me know if it was correct thanks.
which is...
y2 - y1
m = -----------
x2 - x1
and since they already gave you two x and y coordinates this is really simple:) first of all you need to understand what is y2, y1, or x2, x1
taking the points (6,-3) i hope u understand that 6 is the x and -3 is the y. so knowing that information you always remember to use the information in the order that they gave it to you. i will add an extra link to help explain. Sooo then knowing that you plug it into the formula that I gave you earlier
so look at the next link that i made:)
so your slope is 6/5! or 1.2 as a decimal
hopefully you would know what an equation looks like but just in case this is it y = mx+b
so your equation looks like this y = 1.2x -3
where did i get the -3?
well look at first x and y coordinate thats your first y intercept:))
hope i helped!!.... and that this was right lol
let me know if it was correct thanks.
(a) Probability of getting a queen from a deck of 52 cards =
(b) Probability of getting a red card from a deck of 52 cards =
(c) Probability of getting a queen or a red card from a deck of 52 cards =
<u>Solution:</u>
Given that card is drawn from a standard deck of 52 cards.
Need to determine probability of getting
(a) queen (b) red (c) a queen or a red card
<em><u>(a) Calculating probability of getting a queen from a deck of 52 cards </u></em>
Favorable events are getting a queen of spade, heart , diamond or club.
Means number of favorable events = 4
Total events is all possible outcomes from 52 cards
So Total number of event = 52
<em><u>(b) Calculating probability of getting a red card from a deck of 52 cards </u></em>
Number of red cards are 13 cards of diamonds and 13 cards of heart = 13+13 =26
So number of favorable event = 26
Total number of event = 52
<em><u>(c) Calculating probability of getting a queen or red card from a deck of 52 cards </u></em>
Favorable events are 26 red cards + two queens of spade and club. Need to keep in mind that queens of heart and diamond is already considered in 26 red cards.
So number of favorable event = (26+2) = 28
Total number of event = 52
<em><u>Summarizing the result :</u></em>
(a) Probability of getting a queen from a deck of 52 cards =
(b) Probability of getting a red card from a deck of 52 cards =
(c) Probability of getting a queen or a red card from a deck of 52 cards =