Algebra help!! Link them up together of wich one is wich.

wich one is an equasion?

wich one is an expression?

wich one is an identity?

wich one is a formula?

3x'2-2x+1

(a-b)'2=a'2-2ab+b'2

3x2-2x+1=4x-2

v=u+1
_ at'2
2

Given f(x) = 2x^2- 5x+1, determine the function value f(2). do not f(x) = in your answer

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

Answer the following for 896.31 cm= km 100cm = 1m 1000m = 1km a) 0.0089631 b) 0.0089631 c) 8.9631 d) 89.631