Math final review

evaluate the expression 7.3x-13.5 when x=6

30.3

Ryan wants to plant some tomatoes in a cube-shaped planter box. If one side of the box measures 7 inches, how much soil is needed to fill the planter?

343in cubed

in what quadrant is the point (4,-5)?

4

At 97 km/h, how far can you travel in 4.3 hours?

417.1 km

what is the solution of the proportion 3 = 5 x-2 = x+4

x=-11

solve |7x+4|-2=16

x=-22/7

solve: -x+12+7x+12=6

x=-3

a map has a scale of 1 in : 20 mi. two cities are 210 miles apart. how far apart are they on the map?

x=10.5 inches

solve 22(less than or equal to)5x-3(less than)15

x=18/5

solve:6x+3=45

x=7

solve: 6x-4=x+3

x=7/5

solve the inequality and graph its solutions on a number line 6x+6(less than) 2(x+2)

y<-1

write the equation of the line perpendicular to y=3x+5 that passes through the point (-2,3).

y=-1/3=2/1/3

find the equation of the line with slope -3/4 that passes through (4,-2)

y=-3/4+1

graph the equation 4x+5y=40

y=-4/5x+8

graph: 5x+4y(less than)-12

y=-5/4x-3

rewrite 2x-4y=37 in slope-intercept form

y=1/2x-37/4

the fare for a taxi cab is $3 flat fee plus an additional $2.50 for each mile. Which equation represents the total cab far in dollars?

y=2.5x+3

CHECK PACKET FOR GRAPHING PROBLEM

y=3/5x-4

Given U= {january, february, march, april, may, june, july, august, september, october, november,december}, B={months that begin with m} C={ months that have three letters}. find :BuC

{march,may}

Bobby has $432 in his checking account. He writes a check for $102, makes a deposit of $48, but then writes a check for $91. How much money does bobby have in his checking account?

$287

an article regularly selling for $73.54 is advertised at 12% off. what is the sales price?

$64.72

find the quotient: 16/-(4/5)

-20

solve: 7/12x+14=0

-24

what is the quotient between 36 and -9?

-4

evaluate the expression -|-5|

-5

find the value of f(x)=-xlittle2 -3x-5, when x=-4

-9

which of the following statements are true? given: 0<a<b 1. -a>-b 2. -b<a 3. -b>-a

1&2

find the percent of 74 that is 14.65.

20%

create a venn diagram mrs. smith baked 34 cookies. 10 cookies are chocolate chip and 6 of those are also oatmeal. Of the cookies, 7 are neither chocolate chip nor oatmeal. How many in total are oatmeal?

23

simplify:-(-7)-(-2)+(-4)

5

maria baked 49 cookies with 9 ounces of chocolate chips. How many cookies could she make with one ounce of chocolate chips?

5.4 cookies with one ounce

Andre rents beach chairs and umbrellas to tourists visiting the beach. On one saturday, he has 175 customers. If rents both 125 chairs and 80 people rent both chairs and umbrellas, how many people rent umbrellas?

50

evaluate the expression (4x-6y)little 2 when x=3 and y= -2

576

simplify the expression: 5(x+4)

5x+20

A heavy plastic rectangular sheet used on constructing greenhouses has an area of 90 feet by 50 feet. then entire sheet weights 670 pounds. What is the weight per square foot of the sheet?

6.72lb per foot

convert 52 miles per hour to a speed measured in feet per second?

76.3 ft/sec

write a variable expression for 8 divided by the difference of y and 9

8/(y-9)

the members of the drama club are selling tickets to their next production. if their goal is to raise at least $455, the number of tickets they must sell at $5.00 each in order to reach their goal can be expressed by the inequality 5.00x(greater than or equal to) 455. is 83 a solution?

83 is NOT a solution

simplify the expression: 6x-3+2x+9

8x+6

write the statement that represents the phrase ¨the intersection of A and B¨

A n B

what is an example of a graph that is NOT the graph of a function.

vertical line test

solve the equation round to nearest to decimal points. -1.6x-1.5=0.9

x=-1.5

what inequality is equivalent to -4x+5(less than or equal to) -3x+6

x greater then or equal to -1

suppose it takes you 12 min to walk from home to school at the rate of 164 ft/min. your friend lives closer to school than you do. Write an inequality that represents the distance D (in feet) that your best friend lives from school?

d<1968

graph the inequality: y<-2/5x-3

dashed line shaded down

which property should be used? 3x+3+3=6(x-1)-5 3x+6=6(x-1)-5

distributive

true or false: the solution of the equation 3x+2=7+x/2 is x=6

false

true or false: the value of 3x+4y when x=-3 and y=-2 is 17

false

does the following relation represent a function? domain- -1 8 -3 3 range- -1 6 -1 6

function

a line passes through the points (3,-5) and (-2,-3). find the slope of the line.

m=-2/5

the function rule W=450-8m represents the amount of water W (in liters) in a holding tank after being drained at a rate of 8L/min for m minutes. How much time has passed if there are 174L of water in the tank?

m=34.5 minutes

How many solutions does this equation have? -3x+3(2-x)=-6x+43

no solutions

does this represent a function? x- -3 -2 -1 -3 1 y- 1 0 -1 0 1

no, there´s a double x value

the domain of f(x) is {-1,0,2}. If f(x)=4x+1, what is the range?

range {-3,1,9}