Solve each equation by elimination.
d. y = x² - 4x + 7
y = -x + 11

(4,7), (-1,12)

Step-by-step explanation:

I will solve using elimination by subtracting one equation from the other.

  y = x² - 4x + 7

- y =       -x + 11

0 = x² - 3x -4

0 = (x - 4)(x + 1)

x = 4, x = -1

We can plug in these values to get the corresponding y -values.  

The solutions should be : (4,7), (-1,12)

hello :

by applying the distributive property :

6 × 4.3 = 6 × ( 4 + 0.3 )

            =   (6 ×   4) + (6 ×   0.3)

            = 24 + 1.8

6 × 4.3 = 25.8