Chapter 1
Evaluate
5 l-4l
20
Solve
(1/2)x = 3
x = 6
What letter does the range represent?
The y values
What quadrant does the point (3, -2) fall in?
Quadrant IV
Write an equation in slope-intercept form for a line that has a slope of 3 and a y intercept of (0, -2).
y = 3x - 2
Simplify
x - 3 + 4x + 4
5x + 1
Solve
3x + 2 + x = 3 + 3x
x = 1
How can you determine if a graph is a function?
Vertical Line Test
What is the slope of the line?
y = -2x + 3
Slope = -2
Write the equation of a line that passes through the point (2, -3) and has a slope of 1/2 in point slope form.
y + 3 = 1/2 (x - 2)
Evaluate
(4-6)2 + 4 (3)
16
Solve
lx - 3l = 20
x = -17 and x = 23
What value of x would make these ordered pairs a function?
{(-1, 2) (-3, 4) (1, 7) (3, 5) (-2, -2) (0, -3) (2, 7)}
Any number not between -3 and 3
Find the slope:
(-3, 2) and (9,-1)
Write the equation of the line that passes through the points (0, 1) and (-3, -2)
y = x + 1
Evaluate when x = -3
4x + x3
-29
Solve
3 l2x - 1l = 15
x = -2 and x = 3
f(x) = x2 + 6x
Find f(-3)
f(-3) = -9
What is the y intercept?
2x + 2y = 6
Y intercept = (0, 3)
Write an equation of the line that is parallel to
y + 2x = -1 and passes through the point (3, 4)
y = -2x + 10
Simplify
3 (x2 -3x + 1) - (x - 2)
3x2 - 10x + 5
Solve
Bob can hit 25 free throws in two minutes. How many free throws can he hit in eight minutes?
100 free throws
y = 4x + 3
Find the missing part of the ordered pair: (?, 11)
? = 2
What is the slope?
-2x + 5y = -20
Slope = 2/5
Write in standard form:
y + 2 = 3 (x - 2)
3x - y = 8