Factorise by first completing the square.
a) x^2 + 2x - 2
b) x^2 - 10x + 12
c) x^2 + 6x - 10
d) x^2 + 16x - 1
e) x^2 - 14x + 43
g) x^2 + 8x + 9
h) x^2 - 4x - 13
i) x^2 - 12x + 25

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

What are the solutions of the equation? 6x^2 + 11x + 4 = 0 a. 4/3, 1/2 b. -4/3, -1/2 c. 4/3, -1/2 d. -4/3, 1/2

Percy rides his bike 11.2 miles in 1.4 hours at a constant rate. write an equation to represent the proportional relationship between the number of hours percy rides, x,and the distance in miles, y, that he travels.