3x + 4y = 18......(2,3)
3(2) + 4(3) = 18
6 + 12 = 18
18 = 18...correct
2x - 2y = 2....(2,3)
2(2) - 2(3) = 2
4 - 6 = 2
-2 = 2...incorrect
when (2,3) is subbed into equation 1, it is true
when (2,3) is subbed into the second equation, it is false
the ordered pair (2,3) is not a solution to the system of linear equations
Differentiate g using the power rule:




The critical points of g occur where g' is zero or undefined.
We have

and the derivative is undefined for

Answer:
It wil take approximately 20 years 7 months and 29 days for the account to go from $45 to $150, or 21 years rounded to the nearest year.
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<u>Putting value of a as 3 and b as -2, we get</u><u> </u><u>:</u>



• <u>Using negative Exponents Law</u>








<u>• Using negative Exponents Law</u>




<u>• Using negative Exponents Law</u>























• Question 1 - 
• Question 2 - 
• Question 3(1) - 
• Question 3(2) - 

<u>★</u><u> </u><u>Negative</u><u> Exponents Law -</u>

★
can be written as 
‣
can be written as 
‣
can be written as 
‣
can be written as 
‣
can be written as 
‣
can be written as 
‣
can be written as 
‣
can be written as 
★ <u>During Addition and Subtraction</u>
• minus (-) minus (-) gives plus (+)
• minus (-) plus (+) gives minus (-)
• plus (+) minus (-) gives minus (-)
• plus (+) plus (+) gives plus (+)
• Also the sign of the resultant term depends upon the sign of the largest number.

• Swipe to see the full answer.

5 (5/8) * 1 (5/9) = 45/8 * 14/9 = 630/72 = 8 (54/72) = 8 (3/4) miles