In the graph above, the coordinates of the vertices of tuv are t(4, 4), u(2, –2), and v(6, –2). if tuv is reflected across the y-axis to create t'u'v' what are the coordinates of u'

a.

(–6, –2)

b.

(–4, 4)

c.

(–2, –2)

d.

(–2, 2)

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?