Worksheets

Straight lines

Level 1 · Function values and slope

Type your answers and press Check. Each answer is marked at once.

Find the value of the function.

1.
f(x)=−4x−8,f(5)f(x) = -4x - 8,\quad f(5)
2.
f(x)=−4x−1,f(2)f(x) = -4x - 1,\quad f(2)
3.
f(x)=−6x+3,f(5)f(x) = -6x + 3,\quad f(5)
4.
f(x)=−3x+5,f(−3)f(x) = -3x + 5,\quad f(-3)
5.
f(x)=6x+9,f(4)f(x) = 6x + 9,\quad f(4)

Give the slope k of each line.

6.
y=2+xy = 2 + x
7.
y=5+5xy = 5 + 5x
8.
y=6+3xy = 6 + 3x
9.
y=−x+3y = -x + 3
10.
y=7+6xy = 7 + 6x