Where will the graph of f(x) = 3x3 − 6x2 + 5x - 10 cross the x-axis?

Where will the graph of f(x) = 3x3 − 6x2 + 5x - 10 cross the x-axis?

in Algebra 2 Answers by

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

f(x) crosses the x-axis when f(x)=0, so:

3x3-6x2+5x-10=0,

3x2(x-2)+5(x-2)=0,

(3x2+5)(x-2)=0, so the curve crosses the x-axis when x-2=0, that is, when x=2.

by Top Rated User (1.2m points)

Related questions

1 answer
does 2x^2-3x+1 cross over the x axis twice?
asked May 9, 2013 in Algebra 2 Answers by anonymous | 821 views
1 answer
f(x) = x + 6x2 + 6x -7 how to graph the function
asked Apr 15, 2021 in Algebra 2 Answers by anonymous | 1.0k views
1 answer
where the graph crosses the x-axis
asked May 3, 2012 in Algebra 1 Answers by anonymous | 1.3k views
0 answers
solve using cross graph problem
asked Oct 25, 2011 in Algebra 2 Answers by anonymous | 522 views
Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!

Most popular questions within the last 3000 days

  1. 50+50-25X0+2+2= (19)
  2. it takes 10 road workers 5 days to complete a road repair when working 2 hours a day.Working at the same pace,how many days will it take 2 people working 5 hours a day to finish it? (3)
  3. Solve 15 -1(12÷4+1)? (4)
  4. 8:4(5+2) (3)
  5. How can i represent 1/3; 3/3; 7/3; 10/3 and 15/3 on a number line? (1)

Most popular tags

87,516 questions
100,277 answers
2,420 comments
730,698 users