solve the simultaneous equations x^2 + y^2 = 5 and 3x+1=y
Substitute in y to the first equationx2 + (3x+1)2 = 510x2 + 6x - 4 = 55x2+3x-2=0(5x-2)(x+1)x=2/5 or -1Sub these values of x into the first equationy=11/5 and -2
ID
Related Maths GCSE answers
All answers ▸A cylinder has dimensions: diameter = 4x+2 and height = 4. Work out the volume of this cylinder. Give your answer in terms of x
What is the gradient of a line with the equation y=4x+5?
If 2x + y = 13 and 3x - y = 12, what are the values for x and y?
Solve the simultaneous equations 1) 3x + 2y = 4 & 2) 4x + 5y = 17