1) which answer is a solution of the equation? 2x-y=5
a) (3,-1)

b) (1,2)

c) 7

d) (2,-1)

2) what is the slope of the line that passes through the points (1,3) and (5,-2)?
a) -4/5

b) 4/5

c) 5/4

d) -5/4

Use the graph of the sine function y=2sinθ shown below

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?

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)