Equations and Inequalities
2(x + 5) = 14
X=2
2x+6=2x+6
What is infinitely many solutions
What is a complementary angle?
An angle measuring 90 degrees
What is the formula for proportionality?
K= Y/X
5h + 2 + 2h = 23
h = 3
2x - 8 > -2.2
X > 2.9
2x-6=2x+6
What is No solution
What is a supplementary angle?
An angle measuring 180 degrees
What is the constant of proportionality (unit rate)?
Stacey hikes 12 miles in 3 hours and 20 miles in 5 hours.
4 miles per hour
-6(m + 1) + 18 = 24
m = -2
3a + 12 - 6a = -9
a = 7
3(x-4)=3x+4
What is No solution
What is the supplementary angle of 103 degrees?
What is 77 degrees
Use the equation to find the value of y
when x = 8
Y=3.5x
Y=28
-13(4 + 2a) = 208
a = -10
6p - 18 -2p ≤ -2
p ≤ 4
3x+2x+4=4x-1
What is x=-5 One solution
What is the complementary angle of 37 degrees
What is 53 degrees
Is the table proportional?
Number of tickets 2 3 4 5 6
Total Cost in $ $30 $45 $60 $65 $78
No it is not poportional
3b + b - 8 = 4
b = 3
3/5(2x - 5) + 10
What is 6/5x + 7
3x+6y=3/5(5x+10y)
What is Infinitely Many Solutions
One AC intersects angle BD. Angle AC measures (12x - 12) degrees. Angle BD measures 45 degrees. What is the measure of angle X?
X equals 9
Write an equation for the proportional table
Pounds 2 4 6
Cost 3 6 9
c = 1.5p
Solve. 3 - 5(a + 4) ≥ -a + 7
a ≤ -4