Unit 3 Quadratics Relations 1 Worksheet Page 40
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45Unit 3 (Quadratics 1) Solutions
MBF3C
Day1
BL M 3.1.1 Answers will vary
BLM 3.1.2
Number of Cheers
Price per Cheer
Total Money Paid
× 2
st
nd
(1
columns)
7
$2.30
$16.10
8
$2.10 + 10¢ = $2.20
$17.60
9
$2.00 + 10¢ = $2.10
$18.90
10 × $2.00 = $20.00
10
$2.00
11
$2.00 – 10¢ = $1.90
$20.90
12
$1.80
$21.60
13
$1.70
$22.10
14
$1.60
$22.40
15
$1.50
$22.50
16
$1.40
$22.40
17
$1.30
$22.10
18
$1.20
$21.60
the maximum money of $22.5 is paid when you do 15 math cheers
BLM 3.1.3
Rectangle Label
If the length of the pool area is…
Then the width is…
And the area is…
2
(units are sections
)
1 × 9 = 9
A
1 section
9 sections
B
2 sections
8
16
C
3 sections
7
21
D
4 sections
6
24
E
5 sections
5
25
F
6 sections
4
24
G
7 sections
3
21
H
8 sections
2
16
I
9 sections
1
9
The maximum area of 25 occurs when the area is 5 sections long and 5 sections wide
BLM 3.1.4
Side Length
Surface Area
Side Length
Surface Area
1
6
5
150
2
24
6
216
3
54
7
294
4
96
8
384
BLM 3.1.5
1. 50 members, 2. approx $1250, 3. $800, 4. $0 revenue, 5. no, can’t give have a
negative admission price!
BLM 3.1.6
Question 1
If the length of the display is…
Then the width is…
And the area is…
2
(units are cm
)
10cm
50
500
20cm
40
800
30cm
30
900
40cm
20
800
50cm
10
500
60cm
0
0
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