Notes # How to show work
#1)
If x = -19, find | x + 7 |
#2)
If x = 6, find 3| x – 20 |
#3)
If f(x) = (-x)2 + x – 11, find f(-3)
#4)
If f(x) = -x2 + x – 11, find f(-3)
#5)
The domain of f(x) is {-3, -2, -1}. If f(x) = -3x2 + x, state the relation of f(x) as a set of ordered pairs.
#6)
Evaluate | x | – 17, if x = -3.
#7)
Solve 18x2 = -57x – 35
#8)
Factor 18x2 – 128y2
#9)
Factor 300x2 – 420x + 147
#11)
Find the slope of a line through (-3, 2) and (-4, 6).
#12)
Write the equation in standard form of a line going through the point (3, -9) with the slope of ½ .
#13)
Solve | 4x + 14 | < 14
#15)
Solve the following equation for x by completing the square ax2 + bx + c = 0
#14)
#12)
Find the distance between (-3, 2) and (-4, 6).
Solve |2x â&#x20AC;&#x201C;11 | > 6