Proportions
Percents
Equations
Circles
Angles
100
What TWO requirements must a graph meet in order to be proportional?
Starts at the origin (0,0)
Is a straight line
100
Cynthia is shopping at Macy’s and wants to buy a dress that is priced at $84. There is a summer sale going on where all dresses get a 35% discount. What is the new price of the dress?
$54.60
100
Solve the following equations:
1.) 2x + 17 = -3
2.) 39 = 4y - 5
x = -10
y = 11
100
If the circle has a radius of 16 cm, what is the diameter?
32 cm!
100
1. Complementary Angles add up to ________.
2. Supplementary Angles add up to _________.
3. Adjacent Angles have a sum of _________.
1. 90
2. 180
3. 180
200
Is the following table representing a proportional relationship? If so, what is the c.o.p.?
Proportional! c.o.p. = 0.5
200
Juan bought a car that was $14,520. He wants to sell the car and plans to markup the price by 60% in order to make a profit. How much will the car cost after the markup?
$23,232
200
Solve the following equations:
1.) a/6 - 8.9 = 17
2.) 1/2 = 4/9 + 3b
a = 155.4
b = 1/54
200
If a circle has a diameter of 25 m, what is the radius?
12.5 m!
200
Is the following pair of angles complementary, supplementary or neither?
1. ∠1 = 62 and ∠2 = 108
2. ∠3 = 82 and ∠4 = 9
3. ∠5 = 56.4 and ∠6 = 33.6
1. Neither
2. Neither
3. Complementary
300
Is the following table proportional? If so what is the c.o.p.?
Not proportional! No c.o.p.!
300
Ms. Cruz wants to buy a pair of black jeans at Macy’s that is being sold at $68. She wants to use a 35% coupon. The store also charges a 4.5% sales tax. How much will Ms. Cruz pay for the jeans after the coupon and sales tax is applied? (Round to the nearest cent if necessary!)
$46.19
300
Solve the following equation. YOU MUST CHECK YOUR ANSWER!!
5.7(8z-1.4)= 37.62
z = 1
Check: 5.7 (8(1) - 1.4) = 37.62 OR
8(1) = 8 - 1.4 = 6.6 OR 45.6(1) - 7.98 = 37.62
300
Find the radius, diameter, area and circumference. INCLUDE THE UNIT OF MEASUREMENT!!
radius: 15cm diameter: 30cm
Area: 706.5 cm^2 Circumference: 94.2 cm
300
Name ONE PAIR of corresponding, vertical, adjacent, alt. interior and alt. exterior angles.
corresponding: 1 and 5, 3 and 7, 2 and 6, 4 and 8
vertical: 1 and 4, 2 and 3, 5 and 8, 7 and 6
adjacent: answers may vary
alt int: 3 and 6, 4 and 5
alt. ext. 1 and 8, 2 and 7
400
1. Complete the table. 2. State the constant of proportionality. 3. Write an equation to represent the relationship between x and y.
1, 0.75
5, 3.75
25, 18.75
c.o.p. = 0.75 y = 0.75x
400
Sarah went out with her friends to a restaurant for lunch. The bill for their meal came to a total of $43.80.
a.) The restaurant charges a 5% tax fee. How much will the bill be after tax is included? (Round to the nearest cent if necessary!)
b.) Sarah and her friends want to leave a 18% tip for the good service at the restaurant. How much will she and her friends pay for their meal after the tip is included? (Round to the nearest cent if necessary!)
a.) $45.99
b.) $54.27
400
Solve the following equation. YOU MUST CHECK YOUR ANSWER!!
1/7(9d + 25)= 19
d = 12
Check:
1/7(9(12)+25)=19 or
9(12) + 25 = 133
400
Find the radius, diameter, area and circumference. INCLUDE THE UNIT OF MEASUREMENT!!
radius: 3 in diameter: 6 in
Area: 28.26 in^2 Circumference: 18.84 in
400
Assume angle 4 = 78 degrees, find the measurements of the other angles.
angles 1, 5 and 8 : 78
angles 2, 3, 6 and 7: 102