Solving Equations
2x = 14
x = ?
x = 7
What is the slope of the following linear equation?
y = 3x - 2
3
3x < 9
x < 3
What do we use to test if a function exists graphically?
Vertical Line Test
Translate the following: Half of a number is six
1/2x = 6
4x + 7 = 15
x = ?
x = 2
What is the y-intercept of the following linear equation?
y=5/2x - 9
-9
-2x > 14
x < -7
What determines if a function exists?
Every input has exactly one output
Determine the slope between points (-2, 5) and (3, 7)
2/5
-2 = g - 9
g = ?
g = 7
Given: m = ½, b = 5, what is the slope-intercept form of the line?
y = 1/2x + 5
Is (1, 2) a solution to
-7x+8<=1?
yes
If f(x) = 5x + 1, what is the range if the domain is {2, 3}
{11, 16}
Exponents represent:
a) repeated addition
b) repeated subtraction
c) repeated multiplication
d) repeated division
c) repeated multiplication
-1/2m = -9
m = ?
m = 18
Given: m = 5 and point (1, 2), what is the equation of a line passing through the point?
y = 5x - 3
Does the graph of the inequality for x+2 < -3 require an open circle or a closed circle?
open circle
Determine the range of the following relation:
{(1, 2), (5, -2), (-7, 4), (5, 2)}
{-2, 2, 4}
4x - 1 = 1
15 = 9 - 1/2x
x = ?
x = -12
Given the points (1, 2) and (-2, 5), what is the slope of a line passing through the points?
-1
Graph the solution to
3/4x+5>11
Show Ms Thielen!
False!
Which equation represents a horizontal line?
a) x = 1
b) y = -5
c) x = 3
d) None of the above