How many real solutions exist for this system of equations?
y=-X + 1
y=-x2 + 4x-2
A. zero
B. one
C. two
D. infinite

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?

Determine which postulate or theorem can be used to prove that lmn =nmo

Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.