MYTUTOR SUBJECT ANSWERS

724 views

Solve the equation 3x squared + 4x – 12 = 0 Give your solutions correct to 2 decimal places.

3x+4x-12=0

Step 1: formula (-b+/- square root (b2-4ac))/2a

Step 2: a=3 b=4 c=-12

Step 3: type into your calculator 

Step 4: answer 1.44, or -2.77

Jin Yang Q. 13 plus  Maths tutor, GCSE Maths tutor, 11 Plus Maths tut...

8 months ago

Answered by Jin Yang, a GCSE Maths tutor with MyTutor


Still stuck? Get one-to-one help from a personally interviewed subject specialist

324 SUBJECT SPECIALISTS

£18 /hr

Erica H.

Degree: Mathematics (Bachelors) - Durham University

Subjects offered: Maths

Maths

“About Me: I am a mathematics student at Durham University. Growing up, I was fortunate enough to have had some great maths teachers that allowed me to enjoy the subject and inspired me to continue studying it. Now, as a tutor myself, I...”

MyTutor guarantee

£18 /hr

Upasana T.

Degree: Medicine (Bachelors) - Birmingham University

Subjects offered: Maths, Latin+ 1 more

Maths
Latin
Biology

“About me: Hi, my name is Upasana Topiwala and I am currently in my third year of medical school at the university of Birmingham. I've taken up tutoring in order to inspire my students to appreciate the importance of science in our liv...”

£18 /hr

Josh M.

Degree: Biological Natural Sciences (Bachelors) - Cambridge University

Subjects offered: Maths, Physics+ 3 more

Maths
Physics
Chemistry
Biology
-Oxbridge Preparation-

“Who am I? I'm currently studying Natural Sciences in my third year at Cambridge University, with a focus on Neuroscience. Science is my passion, I've loved it at every level I've studied it, and a desire to pass on my passion is part ...”

About the author

Jin Yang Q.

Currently unavailable: for new students

Degree: Management (Bachelors) - LSE University

Subjects offered: Maths, Mandarin

Maths
Mandarin

“About me:I am a management student at the London School of Economics and Political Science. I have always had a passion for maths, and having studied at such a prestigious institution, it only made that passion stronger. This is beca...”

You may also like...

Posts by Jin Yang

Solve 7(k – 3) = 3k – 5

Solve the equation 3x squared + 4x – 12 = 0 Give your solutions correct to 2 decimal places.

Other GCSE Maths questions

Divide 270 in the ratio 3:2:1

How do I solve 3x + y = 11 & 2x + y = 8?

How do you work out the area of a triangle?

Dipen and Nisha are planning a wedding reception. Nisha says, “I want to invite 70 guests.” Dipen says, “If we invite one-fifth fewer guests, we will save more than £500” Is Dipen correct?

View GCSE Maths tutors

Cookies:

We use cookies to improve our service. By continuing to use this website, we'll assume that you're OK with this. Dismiss

mtw:mercury1:status:ok