SOLUTION: I need your help with this problem! Use a graphhing calculator to solve the following equation for x. 2^x=19 The solution set is (Simplify your answer. Type an integer or a

Algebra.Com
Question 422225: I need your help with this problem!
Use a graphhing calculator to solve the following equation for x.
2^x=19
The solution set is
(Simplify your answer. Type an integer or a decimal rounded to the nearest thousandth.)

Found 2 solutions by Gogonati, richard1234:
Answer by Gogonati(855)   (Show Source): You can put this solution on YOUR website!
Answer: The equation , is an exponential equation, to solve it we use the logarithms.


.

Answer by richard1234(7193)   (Show Source): You can put this solution on YOUR website!
Take log base 2 of both sides.



Most graphing calculators should be able to evaluate logarithms at bases other than 10 and e (at least mine does).

RELATED QUESTIONS

I need your help with this problem! Use a graphing calculator to solve the following... (answered by MathLover1)
I need help with this equation. The problem is use factoring to solve the equation.... (answered by Earlsdon)
I am in serious need of help with quadratic equations. If someone could be so kind as to... (answered by Fombitz)
I need help with this problem? Use the Quadratic Formula to solve the equation.... (answered by solver91311)
Use a graphing calculator to solve the following equation for x. 2^x=29 What is the... (answered by stanbon,richard1234)
Hi, Could someone please show me how to work through this problem? I don't know the steps (answered by nerdybill)
I need help with figuring out how to do a problem like this: Solve the following... (answered by 3788)
These 3 problems are from a worksheet, not a textbook, and I so desperately need them... (answered by scott8148)
How to solve this equation? A. Solve the equation in the interval (-pi/2 , pi/2)... (answered by stanbon)