UNIT 1
UNIT 2
UNIT 3
UNIT 4
100
identify the like terms: 2p,3q,-2,p,3q^2
2p,p
100
identify the slope and y-intercept of: y=-3x+2
slope= -3 y-intercept= 2
100
ahmed works in a part time flower shop, he earns $9/h. his pay varies directly with the time he works by hours. write an equation in the form of y=kx
p=9t
100
a sphere has a radius of 3cm,what is its volume to the nearest cubic centimeter? a)339 cm^3 b)38 cm^3 c)113 cm^3 d)85 cm^3
c) 113 cm^3
200
simplify by collecting like terms: 4x-3+6x+5
10x+2
200
write the equation of a line with the given slope and y-intercept m= -2 b= 3
y=-2x+3
200
which of the following is an example of constant variation? a)M=9n b)p=3^q c)k=9h-7 d)y=4x^2
C)k=9h-7
200
a circular swimming pool has a diameter of 7.5m, its filled to a depth of 1.4m.whats the volume of the water in the pool? a)61 850 L b)247 400 L c)23 561 L d)47 124 L
a)61 850 L
300
simplify: (4x+3)+(3x-2)
7x+1
300
cindy is at a ball game with her bro mike,she has $18 to spend on burgers & pop, the burger is $3 and pop is $2 how much burgers can she buy if she only buys burgers?
she can buy 6 burgers
300
the distance traveled by car in a given time varies directly with its speed, a car travelled 150km/h in 1.5h whats the constant of variation? a)100 b)0.01 c)15 d)375
a= 100
300
calculate the volume of a soccer ball with a diameter of 22.3cm,to the nearest tenth of a cubic centimeter.
5806.5 cm^3
400
3x-5+2x+3 can be simplified to: a)3x b)5x-2 c)x-2 d)5x+2
b= 5x-2
400
a plane must always carry a minimum amount of fuel,above what its needed 4 the flight. ussamas plane burns fuel at a constant rate of 32 L/h. 4 a 2hr flight ussama has to carry 88L of fuel. the fuel tank in ussamas plane has a max of 160L, how long can he fly 4 before he has to re-fuel?
4hr & 15min
400
the cost of gas varies directy with the volume purchased. 50L of gas cost $43.50.which of the following relates the cost=C, and the volume of gas=G a)c=0.87+43.50 b)c=1.15g c)c=1.15g+50 d)c=0.87g
c= 0.87g
400
a farmer wants to enclose a rectangular field with an area of 10,000 m^2 using the minimum amount of fencing.what should the dimentions of the field be? a)250m by 40m b)100m by 100m c)50m by 200m d)400m by 25m
b)100m by 100m
500
vanessa, the student council president,needed to deliver a message to the whole school, but she didnt have time to email everyone so she set up a email tree. she sent the message to her 2 vise-presidents and asked both to each forward it to 2 students. suppose that this patern is repeated and assume that no 1 receives the email more than once... there are 500 students in the school,how many mailings woul it take to reach all the students?
there would be 8 mailings
500
2 tutors charge acording to the following equations, relating 2 the tutors charge, (C is dollars and t is hours) (mr.wellington: C=40t) (mr.john: C=35t+20) solve the linear system and explain what the solutions mean.
(4,160) this means both tutors are charging $160 for 4hr of tutoring.
500
the price charged to repair a computer is $60,plus $50/h. write an equation representing this relationship.
p=50t+60
500
walid has 8.64m^2 of plywood,he wants to use this wood to build a square based prism compost bin with maximum volume.(the bin will have a lid) what are the dimentions of the bin with maximum volume?
1.2m by 1.2m by 1.2m