Simple Equations
Solve:
2x + 2 = 18
x = 8
Is this a function?
{(1, 2), (2, 3), (2, 4)}
No
What is the slope and y-intercept of the following equation?
y = 2x + 6
Slope: 2
Y-Intercept: 6
Solve:
26 x 28
Do not simplify. Keep exponential.
214
How many children do I have?
100 Bonus Points if you know their names.
2
Skylan
Braylen
Solve:
3x + 3 - 2x = 21
x = 18
Solve for f(x) when x = 4
f(x) = 2x +6
100 Extra Points if You Answer in Function Notation
f(x) = 14
f(4) = 14
What is the slope and y-intercept of the following equation?
y = 2/3 x - 8
Slope: 2/3
Y-Intercept: -8
Solve:
412 x 4-8
Do not simplify. Keep exponential.
44
Do I have any pets, if so what kind?
Yes. A dog
Solve:
4x - 5 - 3x + 2 - 2x = 9
x = -12
Solve for f(x) when x = -6
f(x) = - (10x + 5)
100 Extra Points if You Answer in Function Notation
f(x) = 55
f(-6) = 55
Put the following equation into slope-intercept form:
** y = mx + b **
-14x + y = 7
y = 14x + 7
Solve for y when x = 4
y = 2(3)x
y = 162
What is my favorite sport?
Baseball
Solve:
21 + x = 2(x - 6)
x = 33
Find f(10) when:
f(x) = 9x2 + 5
100 Extra Points if You Answer in Function Notation
f(x) = 905
f(10) = 905
Put the following equation into slope-intercept form:
** y = mx + b **
3x + 4y = 8
y = -3/4 x + 2
Solve for y when x = -2
y = 6(2)-2
y = 1.5
What is my favorite hobby?
Shopping
Write an Equation and Solve:
Mrs. Walker has $350 to spend on clothes and shoes. She has already spent $75. How much money does Mrs. Walker have to spend?
Equation:
75 + x = 350
Solve:
x = $275
Solve for f(x) when x = -2
f(x) = -14 (6x + 3)
100 Extra Points if You Answer in Function Notation
f(x) = 126
f(-2) = 126
Put the following equation into slope-intercept form:
** y = mx + b **
-2(2x + y) = 28
y = -2x - 14
Write an Equation for the following scenario:
** y = a(b)x
The attendance at a baseball game starts at 2,000 fans and doubles every hour. If the game lasts for 5 hours, what is the attendance at the end of the game?
Solve:
Equation:
y = 2000(2)5
Solve:y = 64,000 fans
What is my favorite color?
Pink