1. CHAPTER 10 REVIEW

2. Lesson Quiz
Solve.
– 3 = 10
2. 7y + 25 = –24
3. –8.3 = –3.5x
= 3
5. The cost for a new cell phone plan is $39 per month plus a one-time start-up fee of $78. If you are charged $1014, how many months will the contract last? x –9
x = –117
y = –7
x = 6.2 y
y = 28
24 months

3. Lesson Quiz 10-2 Solve. 1. 6x + 3x – x + 9 = 33 2. –9 = 5x + 21 + 3x=
5. Linda is paid double her normal hourly rate for each hour she works over 40 hours in a week. Last week she worked 52 hours and earned $544. What is her hourly rate?
x = 3
x = –3.75 5 8 x 8 33 8
x = 28
x = 1 9 16
– = 6x 7 2x 21 25 21
$8.50

4. Lesson Quiz 10-3
Solve.
1. 4x + 16 = 2x
2. 8x – 3 = x
3. 2(3x + 11) = 6x + 4
4. x = x – 9
5. An apple has about 30 calories more than an orange. Five oranges have about as many calories as 3 apples. How many calories are in each?
x = –8
x = 6
no solution 1 4 1 2
x = 36
An orange has 45 calories. An apple has 75 calories.

5. – left over from Friday because Lexi will not let me forget 
WARM-UP
– left over from Friday because Lexi will not let me forget 
An apple has about 30 calories more than an orange. Five oranges have about as many calories as 3 apples. How many calories are in each?
An orange has 45 calories. An apple has 75 calories.

6. Lesson Quiz: Part 1 Solve and graph. 1. 4x – 6 > 10
2. 7x + 9 < 3x – 15
3. w – 3w < 32
4. w + 
x > 4
x < –6
w > –16 2 3 1 4 1 2
w  3 8 3 8

7. Lesson Quiz: Part 2
5. Antonio has budgeted an average of $45 a month for entertainment. For the first five months of the year he has spent $48, $39, $60, $48, and $33. How much 1 can Antonio spend in the sixth month without exceeding his average budget?
no more than $42

8. Lesson Quiz: Part 1
Solve for the indicated variable.
1. P = R – C for C.
2. P = 2l+ 2w for l.
3. V = Ah for h.
4. R = for S.
C = R - P
= l
P – 2w 2
= h 3V A 1 3
C – S t
C – Rt = S

9. 5. Solve for y and graph 2x + 7y = 14.
Lesson Quiz: Part 2
5. Solve for y and graph 2x + 7y = 14.
y = – 2x 7 y 4 2 –2 –4

10. Lesson Quiz
1. Determine if the ordered pair (2, 4) is a solution of the system. y = 2x; y = –4x + 12
Solve each system of equations.
2. y = 2x + 1; y = 4x
3. 6x – y = –15; 2x + 3y = 5
4. Two numbers have a some of 23 and a difference of 7. Find the two numbers.
yes
( , 2) 1 2
(–2,3)
15 and 8