Solve 3x2 + 7x – 13 = 0 Give your solutions correct to 2 decimal places.
a=3 b=7 c=-13
Use quad formula: -b+-root[(b^2-4ac)/2a]
Sub in values: -7+-root[7^2-4x3x-13] =1.22 and -3.55
BP
a=3 b=7 c=-13
Use quad formula: -b+-root[(b^2-4ac)/2a]
Sub in values: -7+-root[7^2-4x3x-13] =1.22 and -3.55
