Choose all the equations which are correctly solved. x2 - 5x + 5 = 0 {2,3}
x2 - 7x - 8 = 0 {-1,8}
x2 + 12x + 20 = 0 {-2, -10}
x2 – 3x – 10 = 0 {2, 10}
x2 + x + 20 = 0 {4,5}

in if you ask questions, the points are taken from your total and given to the one who answered it..

so if i have 30 points and i ask a question for 5 points, then when someone asks a question i will lose 5 points and the answerer earns 5

happy to

the answer is 13

step-by-step explanation:

5*5=25

12*12=144

25+144=169

169^2=13

the functions have the same rate of change i think. i narrowed it down to this answer and "the rate of change of tour 1 is greater" but i got it wrong using that answer so im assuming its the answer above. (this is a question i also answered from the iready site if anyone needs a reference)