True or False
True or False.
Zero is a natural number.
True
(3x2+2xy+4y2)+(6x2-5xy+3y2)+(9x2-25y2)
18x2-18y2-3xy
Graphically, find the zeros of the following function:
f(x)=5x2+5x-30
x={-3,2}
Solve the following System of Linear Equations by any method:
5x+2y=9
x+y=-3
(5,-8)
At the football game, pizzas sold at $4 each and sodas at $2 each. This made the school a profit of $260. The number of sodas sold was 5 more than three times the number of pizzas sold. Determine the amount of pizzas and sodas that were sold.
pizzas=25
sodas=80
True or False.
All real numbers are rational numbers.
False.
Translate and evaluate the following expression:
twice 6
2(6)=12
Graphically, find the zeros of the following function:
f(x)=x4+2x3-25x2-50x
x={-5,-2,0,5}
Solve the following:
2(5v+3)-4(7v+1)=-88
v=5
Sarah and James are selling popcorn and cotton candy at the State Fair. Sarah sold 3 bags of popcorn and 9 sticks of cotton candy for a total of $75. James sold 8 bags of popcorn and 5 sticks of cotton candy for a total of $67. What is the cost of the popcorn and stick of cotton candy?
popcorn=$4.00
cotton candy=$7.00
True or False.
2/3 is a rational number.
True.
Translate and evaluate the following expression:
7 squared
72=49
Convert the following from standard to slope-intercept form:
9x+3y=9
y=-3x+3
Solve the following, and tell whether infinite, no or one solution(s):
-12+6x=6+5(x-2)
x=8; One Solution
Two burgers and one hotdog cost $4.82. At the same price, one burger and two hotdogs cost $3.70. How much does the hot dog cost?
burger=$1.98
hot dog=$0.87
True or False.
12/6 is an integer.
True.
3r3t+5rt2-6rt+5+4rt-3+6rt2
Evaluate the following:
h(x)=3x2+7 at h(-4)
55
Solve the following System of Linear Equations by any method:
-3x-5y=-7
-4x+5y=14
(-1,2)
A fisherman records the weights for each bass he catches during a fishing trip as the following: {12, 7, 8, 13, 6, 14}. Find the average weight for each bass he catches.
10
True or False.
6/14 is an integer.
False.
(12ab2-7a2b)+(3ab+4a2b+6ab2)
18ab2-3a2b+3ab
Write in slope-intercept form, given the following information:
(3,-4);m=6
y=6x-22
Solve the following by any method, and tell whether infinite, no, or one solution(s):
-2x+4y=1
3x-6y=9
No Solution
You earn $10 per hour working as a manager at a grocery store. You are required to work at the grocery store at least 5 hours per week. You also teach music lessons for $15 per hour. You need to earn at least $75 per week, but you do not want to work more than 15 hours per week. Can you work 5 hours at the grocery store and 10 hours at music lesson?
Yes.