Forest Hills High School Fall Term ME 12/ Algebra I students resource site for daily homework and other class news
1a. is 1/21b. is 1/12a. is 2;12b. is 1;32c. is 5;42d. is 6;13. is 15;94. is a,c,d5. is 20;36 not sure6. not sure7a. x=907b. x=3
Dan ZhangHw Even number2. a) 2 to 1 b) 1 to 3 c) 5 to 4 d) 6 to 14. choice a 12/16, c)9/12, d)24/326. 488. 30, 4510. 2012. 0.1514. 50
2.a)48to28 48 48:24 28 b)80to240 80 80:240 240c)5to4 5 5:4 4d)72to12 72 72:12 124.a)12 16 c)9 12 d)24 326. 7x+8x=90 15x=90 x=68. 2x+3x=1x+2x+30 5x=30+3x 2x=30 x=1510. 500 = x 25 1 25x=500 x=2012.15 = 1 100 x 100x=15 x=6.714.5x+3x=80 x=10
KIRAN DASARI2.a)6 to 32.b)1 to 32.c)5 to 4 2.d)6 to 14.a)12/16 c)9/12 d)24/326.42/48----(42+48=90)---488.i didn't get it10.20 booke in a box12.3/20 seconds14.50/30 = 50.
Mr. Napoli, this is for Tuesday's homework1) answer 42) ?3) answer 14) 5x²-3x+2 -3x2+4x+1 _________- 8x²-7x+35) 5x²+3xy+6y² 4x²-3xy-2y² __________- 9x²+6xy+8y²7) x=c+b ______ a8)24=12+3y 12=3y y=49)2x=3x+6-26 -3x -x=6-26 -x=-20 x=20,2210)x+x+2+x+4+x+6=296 4x+12=296 -12 4x=284 x=71,73,75,7711)x=-19,-18,-1712)3x+12-x=18 2x+12=18 -12 12 x=813)x=p-6 _____ 3y14)x=615)5x+7=-2 3x=-9 x=-316)8x=2(x+15) 6x=30 x=517)2a18)x²-2x+119)-24) answers on the sheetthankyou Mr.Napoli
HW of TuesdayMichelle Chue Period 91) 3)a+b=b+a property of addition2)Answer:2)x 1/x, x=0 reciprocal flip the fraction3) addictive inverse property of a-b. Addictive inverse is a+(-a)=0. Answer: 2) -a+b4) Sum of 5x-3x+2 & 3x square - 4x-1 5x square - 3x+2 +3x square-4x-18x square-7x-1: Answer5)From 5x squared+3xy+6y squared subtract 4x squared+3xy+2y square5x squared + 3xy+6y square+(-4x square -3xy-2y square)Answer:-x squared+4y square6) 5x square+ 2x-3+-2x+3x-73x squared+5x-107)ax-b=c +bax=c+b x=c+b/a8) 24=12+3y -12 -1212=3y12/3=3y/3 4=y 9) 2x=3(x+2)-262x=3x+6-26-3x= -3x-20-x=-20 x=20 Answers: x=20 & x+2=2210) x+x+2+x+4+x+64x+12=296 -12 = -124x = 284 x=71 Answers: x=71, x+2=73,x+4=75,x+6=7711) x+x+1+x+2=-543x+3=-54 -3 -33x=-57 x=-19Answers: x=-19, x+1=-18, x+2= -1712) 3x+12-x=182x+12=18 -12= -122x = 6 Answer: x= 313) 3xy+9=p+3-9 -9 3xy=p+3-9 x=p-6/3y14) 4(x-1)-3=17 4x-4-3=17 4x-7=17 +7 +74x=24 Answer: x=615) 5x+7=2x-2 -2x -2x3x+7=-2 -7 -73x=-9 Answer: x=-3 16) 8x=2(x+15) 8x=2x+30 -2x -2x6x=30 Answer: x=617) 3a+b+-a-b Answer: 2a18) 2x square - 3x - 5 subtract x square - x -6 2x square-3x-5+(-x square+x+6) Answer: x square -3x+119) 10y-7 +(-8y+2) Answer: 2y-520) 3x square + 3+4x-4 Answer: 3x square + 7x-421) 3(a+2)=(5)(12) 3a+6 =60 -6 -6 3a= 54 Answer: a=1822) 2(x+1)=(1)(8) 2x+2 =8 -2 -2 2x=6 Answer: x=323) 3/2 = x/24 2x=72 Answer: 3624) 5x+6x=66 11x=66 x= 6 Answer: 36 5(6) = 30 small 6(6)= 36 larger
1)42)?3)24)(5x²-3x+2)+(3x²-4x-1) 8x²-7x+15)(5x²+3xy+6y²)-(4x²+3xy+2y²) (5x²+3xy+6y²)+(-4x²-3xy-2y²) x²+4y²8)24=12-6y+9y 24=12+3y -12-12 12=3y /3 /3 y=414)4(x-1)-3=17 4x-7=17 +7 +7 4x=24 /4 /4 x=615)5x+7=2x-2 -7 -7 5x=2x-9 -2x-2x 3x=-9 /3 /3 x=-316)8x=2(x+15) 8x=2x+30 -2x-2x 6x=30 /6 /6 x=520)3x(x+1)+4(x-1) 3x²+3x+4x-4 3x²+7x-4Posted by Gabriella Vera.
Shalva Khiskiadze 10/10/08 answeres #11 x= x+1= x+2= 3x+3=-54 =3x=57= x=-19 x+1=-18 x+2=-17
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8 comments:
1a. is 1/2
1b. is 1/1
2a. is 2;1
2b. is 1;3
2c. is 5;4
2d. is 6;1
3. is 15;9
4. is a,c,d
5. is 20;36 not sure
6. not sure
7a. x=90
7b. x=3
Dan Zhang
Hw Even number
2. a) 2 to 1
b) 1 to 3
c) 5 to 4
d) 6 to 1
4. choice a 12/16, c)9/12, d)24/32
6. 48
8. 30, 45
10. 20
12. 0.15
14. 50
2.
a)48to28
48 48:24
28
b)80to240
80 80:240
240
c)5to4
5 5:4
4
d)72to12
72 72:12
12
4.a)12
16
c)9
12
d)24
32
6. 7x+8x=90
15x=90
x=6
8. 2x+3x=1x+2x+30
5x=30+3x
2x=30
x=15
10. 500 = x
25 1 25x=500
x=20
12.15 = 1
100 x 100x=15
x=6.7
14.5x+3x=80
x=10
KIRAN DASARI
2.a)6 to 3
2.b)1 to 3
2.c)5 to 4
2.d)6 to 1
4.a)12/16
c)9/12
d)24/32
6.42/48----(42+48=90)---48
8.i didn't get it
10.20 booke in a box
12.3/20 seconds
14.50/30 = 50.
Mr. Napoli, this is for Tuesday's homework
1) answer 4
2) ?
3) answer 1
4) 5x²-3x+2
-3x2+4x+1
_________-
8x²-7x+3
5) 5x²+3xy+6y²
4x²-3xy-2y²
__________-
9x²+6xy+8y²
7) x=c+b
______
a
8)24=12+3y
12=3y
y=4
9)2x=3x+6-26
-3x
-x=6-26
-x=-20 x=20,22
10)x+x+2+x+4+x+6=296
4x+12=296
-12
4x=284
x=71,73,75,77
11)x=-19,-18,-17
12)3x+12-x=18
2x+12=18
-12 12
x=8
13)x=p-6
_____
3y
14)x=6
15)5x+7=-2
3x=-9
x=-3
16)8x=2(x+15)
6x=30
x=5
17)2a
18)x²-2x+1
19)-24) answers on the sheet
thankyou Mr.Napoli
HW of Tuesday
Michelle Chue Period 9
1) 3)a+b=b+a property of addition
2)Answer:2)x 1/x, x=0 reciprocal flip the fraction
3) addictive inverse property of a-b. Addictive inverse is a+(-a)=0. Answer: 2) -a+b
4) Sum of 5x-3x+2 & 3x square - 4x-1
5x square - 3x+2
+3x square-4x-1
8x square-7x-1: Answer
5)From 5x squared+3xy+6y squared subtract
4x squared+3xy+2y square
5x squared + 3xy+6y square
+(-4x square -3xy-2y square)
Answer:-x squared+4y square
6) 5x square+ 2x-3+-2x+3x-7
3x squared+5x-10
7)ax-b=c
+b
ax=c+b x=c+b/a
8) 24=12+3y
-12 -12
12=3y
12/3=3y/3
4=y
9) 2x=3(x+2)-26
2x=3x+6-26
-3x= -3x-20
-x=-20 x=20 Answers: x=20 & x+2=22
10) x+x+2+x+4+x+6
4x+12=296
-12 = -12
4x = 284 x=71
Answers: x=71, x+2=73,x+4=75,x+6=77
11) x+x+1+x+2=-54
3x+3=-54
-3 -3
3x=-57 x=-19
Answers: x=-19, x+1=-18, x+2= -17
12) 3x+12-x=18
2x+12=18
-12= -12
2x = 6 Answer: x= 3
13) 3xy+9=p+3-9
-9
3xy=p+3-9
x=p-6/3y
14) 4(x-1)-3=17
4x-4-3=17
4x-7=17
+7 +7
4x=24 Answer: x=6
15) 5x+7=2x-2
-2x -2x
3x+7=-2
-7 -7
3x=-9 Answer: x=-3
16) 8x=2(x+15)
8x=2x+30
-2x -2x
6x=30 Answer: x=6
17) 3a+b+-a-b
Answer: 2a
18) 2x square - 3x - 5 subtract x square - x -6
2x square-3x-5
+(-x square+x+6)
Answer: x square -3x+1
19) 10y-7
+(-8y+2)
Answer: 2y-5
20) 3x square + 3+4x-4
Answer: 3x square + 7x-4
21) 3(a+2)=(5)(12)
3a+6 =60
-6 -6
3a= 54 Answer: a=18
22) 2(x+1)=(1)(8)
2x+2 =8
-2 -2
2x=6 Answer: x=3
23) 3/2 = x/24
2x=72 Answer: 36
24) 5x+6x=66
11x=66 x= 6 Answer: 36
5(6) = 30 small 6(6)= 36 larger
1)4
2)?
3)2
4)(5x²-3x+2)+(3x²-4x-1)
8x²-7x+1
5)(5x²+3xy+6y²)-(4x²+3xy+2y²)
(5x²+3xy+6y²)+(-4x²-3xy-2y²)
x²+4y²
8)24=12-6y+9y
24=12+3y
-12-12
12=3y
/3 /3
y=4
14)4(x-1)-3=17
4x-7=17
+7 +7
4x=24
/4 /4
x=6
15)5x+7=2x-2
-7 -7
5x=2x-9
-2x-2x
3x=-9
/3 /3
x=-3
16)8x=2(x+15)
8x=2x+30
-2x-2x
6x=30
/6 /6
x=5
20)3x(x+1)+4(x-1)
3x²+3x+4x-4
3x²+7x-4
Posted by Gabriella Vera.
Shalva Khiskiadze 10/10/08 answeres #11 x= x+1= x+2= 3x+3=-54 =3x=57= x=-19 x+1=-18 x+2=-17
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