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 ▸How does differentiation work?
Represent x = 0.0154 recurring as a fraction.
How do you find the highest common factor of two numbers?
A bag contains 10 apples. Three of the apples are green and seven of the apples are red. If an apple is pulled from the bag at random, what is the probability that the apple will be green?