Solve the equation 3x squared + 4x – 12 = 0 Give your solutions correct to 2 decimal places.
3x2 +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
JY
Related Maths GCSE answers
All answers ▸how do you convert repeating decimals into a fraction?
Find the value of X and Y if X^2 + Y^2 = 13 and 2X + Y = 1
How would you differentiate between the hypotenuse, opposite and the adjacent in a triangle?
GCSE Maths - Solve the equation (2x+3)/(x-4) - (2x-8)/(2x+1) = 1 Give your answer to 2 decimal places.