Equations
Solving Equations
Solve for x.
2x = 8
What is:
x = 4
Solve the following inequality.
x + 3 > 7
x>4
TRUE OR FALSE:
We use a closed circle to represent the inequalities < and > ?
False
Solving Equations
Solve for x.
x/-3=9
What is:
x = -27
Write an inequality
In basketball, you score 3 points for every shot behind the three point line (as the name would imply). Steph Curry scored at least 39 points only with three pointers. Write an inequality that represents the number of shots (p) he made.
Hint: use p as your variable
3p >=39
Draw the following on a number line:
x is greater than or equal to -2
Closed circle ------>
Solve for x
3x-2 = -20
x = -6
Solve for k
25 > 3k -5
k < 10
Draw the following on a number line:
x < 1
<------- open circle
Solve for x
4(x-5) = -16
x = 1
Solve the following inequality:
y/-5 + 7 <=17
y>=-50
Draw the following on a number line:
2x >= -10
Closed Circle at -5 -------->
Write an equation to represent the following situation:
On Tuesday Shanice bought five hats. On Wednesday half of all the hats that she had were destroyed. On Thursday there were only 17 left. How many did she have on Monday?
(h+5)/2= 17
Write and solve the following inequality:
The science department needs to raise at least $300 to buy new lab supplies. They decide to buy $100 worth of prizes and sell raffle tickets for a chance to win the prizer. Each raffle ticket costs $2. How many raffle tickets need to be sold t raise at least $300?
2t-100 >= 300
t>=200
Draw the following on a number line:
-3x-2>10
<-------- open circle at -4