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)=−x−2,f(5)f(x) = -x - 2,\quad f(5)
2.
f(x)=−4x−2,f(3)f(x) = -4x - 2,\quad f(3)
3.
f(x)=3x+3,f(−1)f(x) = 3x + 3,\quad f(-1)
4.
f(x)=−x+5,f(4)f(x) = -x + 5,\quad f(4)
5.
f(x)=4x−7,f(1)f(x) = 4x - 7,\quad f(1)

Give the slope k of each line.

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