F(x); solving for x
f(x) = x + 2; 22
22 = x + 2
20 = x
Find slope and y-intercept: y=3x+5
b = 5
−4×6=?
-24
f(x) = x + 3; x = 15
18
2x+y=5
y = -2x + 5
f(x) = x + 5; 25
x + 5 = 25
x = 20
Find slope and y-intercept: y=−2x+4
m = -2
b = 4
−12 ÷ 4=?
-3
f(x) = 28 + 3x; x = 2
34
3y−6x=9
y = 2x + 3
f(x) = 15x + 10; 70
70 = 15x + 10
60 = 15x
4 = x
What is the slope of y= 1/2x − 3
slope is 1/2
−8×(−3)=?
24
f(x) = 8x + 14; x = 3
38
4x − 2y = 8
y = 2x − 4
f(x) = 20 + 9x; 65
65 = 20 + 9x
45 = 9x
5 = x
What is the y-intercept of y=5x+9?
The y-intercept is 9
−24÷(−6)=?
4
20
5y + 10x = 20
y = −2x + 4
f(x) = 16 + 4x; 28
28 = 16 + 4x
12 = 4x
3 = x
Write the equation with slope −3 and y-intercept 7.
y = -3x + 7
7 × (−2) × 3=?
-42
f(x) = 25x - 125; x=8
75
6x − 3y = 12
y = 2x − 4