Ch.5 - Write Linear Equations
Ch.6 - Solve & Graph Linear Inequalities
Ch.7 - Systems of Equations & Inequalities
Ch.8 - Exponential Functions
Grab Bag
100
Write the equation of the line in Point-Slope Form given:
(5, 1) and (0, 6)
y - 1 = -1(x - 5)
OR
y - 6 = -1(x - 0)
y - 6 = -1x
100
Solve the inequality and graph the solution:
4(x - 2) ≤ 3x + 1
x ≤ 9
Closed Dot @ 9 and Arrow Left
100
Solve using Elimination:
2x + 3y = 15
4x - 3y = 12
(9/2 , 2) OR (4.5, 2)
100
Simplify the expression. Use only positive Exponents.
3y-3 / x-1
3x / y3
100
Write in Standard Form:
2.34 x 10-4
0.000234
200
Write the equation in Slope-Intercept Form given:
(-4, 3) and m = -1/3
y = -1/3 x + 5/3
200
Solve the Inequality and graph the solution:
x + 1 > 4 OR 2x + 3 ≤ 5
x > 3
x ≤ 1
Closed Dot @ 1, Open Dot @ 3, Arrows point out
200
Solve using substitution:
5x - 8y = -17
3x - y = 5
(3, 4)
200
Simplify the expression. Only positive exponents.
(3x2y4 / 2xy)3
27x3y9 / 8
200
Write in Scientific Notation:
163.54
1.6354 x 102
300
Write the equation in Slope-Intercept Form of line through the points:
(-2, -1) and (4, -4)
y = -1/2 x - 2
300
Solve the equation and check the solution.
|5x - 3| = 2
x = 1
x = 1/5
300
Identify how many solutions the system has:
3x - 8y = 4
6x - 42 = 16y
Parallel Lines
Infinitely Many Solutions
300
Simplify the expression. Only positive exponents.
(3x2y / 2x) • 2(y2 / x2y)
3y2 / x
300
Evaluate the expression. Write answer in Scientific Notation.
(5.2 x 10-2) • (3 x 10-4)
1.56 x 10-5
400
Write the equation in Standard Form given:
(-2, 5) and m=5
5x - y = -15 OR -5x + y = 15
400
Solve the inequality. Graph and Check the solution.
|4x + 5| ≥ 3
x ≥ -1/2
x ≤ -2
Closed Dot at -1/2 and -2 with arrows pointing out
400
You sell 20 tickets to the school play and collect $104. If tickets are $6 for adults and $4 for kids, how many of each type did you sell?
(12, 8)
12 Adult tickets and 8 Kid tickets
400
You buy a car for $120,000. The value depreciates at a rate of 10% per year. Write the model and find the value of the car after 8 years.
y = 120000(0.9)t
y = 120000(0.9)8
y = $51,656.07
400
Convert:
55 miles per hour to feet per second
80.667 ft/s
80 and 2/3 ft/s
242 / 3 ft/s
500
Write the equation of the line in Slope-Interecept given the following:
(-1, 4) and perpendicular to y = 3/4 x - 1
y = -4/3 x + 8/3
500
Graph the Inequality:
5x - 3y > 9
y = 5/3 x - 3
Dashed
See Graph
500
Graph the system of inequalities:
x + y < -2 AND 3x - 2y < -4
y = -x - 2
y = 3/2 x + 2
BOTH DASHED and Shaded Left Quadrant
500
You deposit $1100 in an account paying 5% interest compounded yearly. Find the balance in the account after 10 years.
A = 1100(1.05)10
A = $1,791.78
500
How much is 40% of $800
$320
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