Math Exam Final
(6b'3-4b+2)(7b)
42b'4-28b'2+14b
2z'2+20z+32
2(z+8)(z+2)
|x|=38.4
38.4 or -38.4
46ft piece of rope. Cut into 3 pieces. 2nd piece is 3 times as long as first one and third piece is two feet more than 7 times the first. Find the lengths.
1st: 4ft 2nd: 12ft 3rd:30ft
The measures of the angles of a triangle are 3 consecutive integers.
1st: 58 degrees 2nd: 60 degrees 3rd: 62 degrees
-3x/2 -6=-9
2
p=2l+2w solve for l
l=p-2w/2
2____|-3|
less than
y=-4
m=0
x=2y
m=1/2
Find the Slope 2x-3y=10
m=2/3
sq root 5x'2/121
x rad 5/11
(x-12)'2
x'2-24x+144
Use an associative property to complete the statement: (y+4)+z
y(4+z)
Use a commutative property to complete the statement: 4+y
y+4
write an equation of a line with a given slope and y-intercept: m=4,b=-1/6
y=4x-1/6
4(x-1)(x+3)=0
+1,-3
Find Average of -1,0-3 and 0
-1
-x'2+2x+24
-1(x-6)(x+4)
7(2x+5)-4(x+2)-20x
-10x+27
1/4(5x-5)=1/2(3x+3)
-11
If the sum of a number and 5 is tripled, the result is one less than twice the number. Find the number.
-16
-6+(-8+2 X 2) /2-3squared
-17
x(x-5)=14
-2,7
-2(3x'5y'-2)'-3
-2y'6/27x'15
Simplify expression: -6sq
-36
-48/12
-4
(2-6) divided by -2-6/-3-1 -1/2
-5/2 or -2 1/2
(2x'5)(-3x'6)
-6x'11
5-(3-2x)=2(x-6)-2x
-7
(3x'2-7xy+7y'2)-(4x'2-xy+9y'2)
-x'2-6xy-2y'2
0/-9
0
3x'3-18x=-15x'2
0,+1,-6
Find the slope of (0,3)(2,5)
1
Find the prime Factorization of 90.
(2)(3)(3)(5)
Find the intercepts: 2x-4y=8
(0,-2),(4,0)
-6x+y=5 4x-2y=6
(-2,-7)
36'-1/2
1/6
Subtract (x-7) from the sum of (3x'2y-7xy-4) and (9x'2y+x)
12x'2y-7xy+3
x/6=3
18
1/4w+5/2=1/2w+4/3
14/3
5/6 +7/9 +1/15
151/90 or 1-61/90
(3x'4/4y)'3
27x'12/64y'3
(2x+2)(x-7)
2x'2-12x-14
sq root 40x'6y'10
2x'3y'5 rad 10
(-5a)'0+7'0+8'0
3
|5-9|+|10-15|/|2(-3)|
3/2
8 is 25% of what number?
32
(9x'4)'1/2
3x'2
write the equation in standard form: y=-3x-4
3x+y=-4
12xy'6/3x'4y'10
4/x'3y'4
List the whole Numbers { 5,-2/3,8/2,0.3,1-5/8,-1, pie, square root 9 and square root 7}
5,8/2, square root 9
8x'5+16x'4-20x'3+12x'2
4x'2(2x'3+4x'2-5x+3)
1/2(12x-4)-(x+5)
5x-7
21 divided by 3-3/10
7/44
Start at 9th floor. Go up 7, up 2, down 8 down 3. what floor are you on?
7th Floor
Find the opposite of -9
9
sq root 27 X sq root 3
9
|-3|+2squared+[-4-(-6)]
9
Where do these points lie? A(2,-1)B(-2,1)C(0,3)D(-3,-5)
A(Q4), B(Q2), C(y-axis), D(Q3)
a(b+c)=ab Which property is this an example of?
DISTRIBUTIVE PROPERTY
A dealership reduced the price of a compact car by 8%. If the price of the car was $18,500, find the discount and new price?
Discount: $1480 New Price: $17,020
6x-4=2+6(x-1)
IDENTITY
Name the property illustrated 6 X 1/6=1
MULTIPLICATIVE INVERSE PROPERTY
r'2-3r+6
Not Factorable
A restaurant bill was $70 plus 6% tax. If the patrons left a 20% tip of the total bill, what was the amount of the tip and what was the amount of the total bill?
Tip:$14.84 Bill: $89.04
Find the type and degree of the polynomial: -14xsq y-28xsq ycub-42xsq ysq
Trinomial, 5
-(x-3)+2 GREATER THAN OR EQUAL TO 3(2x-5)+x
[5/2,INFINITY]
sq root a'7b'10/ sq root a'3b'6
a'2b'2
A=1/2(B+b)h solve for b
b=2A-BH/h
|-7|___ -1-(-8)
equal
3xsquared+y=7
no
Solve the system by subsitution method: 3x+6y=9, 4x+8y=16
no solution
Determine whether each ordered pair is a solution of the system of equations: x+y=8 3x+2y=21 A(2,4)B(5,3)
no,yes
Which is a solution to the equation: 3x+y=8 (2,3),(0,8),(8,0)
no,yes,no
