Solving Linear Equations
r+(-8)=10
r=18
Three is less than the sum of a number s and 4
3<s+4
Is this a function? (-2,2),(-1,2),(0,2),(1,0),(2,0)
Yes
y=x-2
y=-x+4
(3,1)
6.70
1
(h+6)/5=2
h=4
1<s-8
s>9
What is the equation for standard form?
Ax+By=C
6x-9=y
y=-3x
(1,-3)
32*36
38
10(2y+2)-y=2(8y-8)
y=-12
You have $12 to buy five goldfish for your new tank. Write and solve an inequality that represents the prices you can pay per fish.
5p<12,p<2.4
Find the intercepts: 3x+4y=12
x=4, y=3
5x+6y=50
5x-6y=-26
(4,5)
(z4)-3
1/z12
2(2t+4)=3/4(24-8t)
t=1
2v-4>8
v>6
Find the zero of the function: f(x)=2x+8
x=-4
x-y=1
No solution
2563/4
64
A cheetah is running 90 feet per second is 120 feet behind an antelope that is running 60 feet per second. How long will it take the cheetah to catch up to the antelope?
what is 4 Seconds?
A ski shop sells skis with lengths ranging from 150 Centimeters to 220 centimeters. The shop says the length off the skis should be about 1.16 times a skier's heigh (in centimeters). Write and solve a compound inequality that represents the heights of skiers the shop does not provide for.
1.16h<150 or 1.15h>220; Height less than about 129.3 cm or greater than about 189.7 cm
A linear function h models a relationship in which the dependent variable increases 1 unit for every 5 units the independent variable decreases. The value of the function at 0 is 3. write the equation of the line?
y=1/5x+3
You need to hire a catering company to serve meals to guests at a wedding reception. Company A charges $500 plus $20 per guest. Company B Charges $800 plus $16 per guest. For how many guests are the total costs the same at both companies?
75 guests
When x=-1
3/2