Algebra 1B
Evaluate 6b-16 when b = 3
2
Solve by graphing (use Desmos) m=-1 b=0
Show graph
7i
Explain PEMDAS
Parentheses, Exponents, Multiplication, Division, Add, Subtract
Zack has 5 more crayons then Matthew, Matthew has 3 more crayons then Vito. If Vito has 50 crayons how many crayons does Zack have?
Zack has 58 crayons.
-2(7x)
-14x
Write the equation in slope intercept form: m=3/4 b=-2
y= 3/4x - 2
(5+4i)(5-4i)
41
What is standard form:
Ax2 + bx + c = 0
A kid has 5 lolly pops. He gets 3 more how many lolly pops does the kid have?
The kid has 8 lolly pops.
True/False
Adding like terms, the expression 10X + 2X simplifies to 12x2
False
Solve the following systems of linear equations by graphing:
x+y=2
x-y=4
Desmos graph
Solve by factoring:
x2 - 4x = 21
x=-3, x=7
What is elimination?
Give example
Alvin has 8 candies he gives 6 candies to his friends, how many candies does Alvin have left?
Alvin has 2 candies left.
Determine whether the number to the right is the solution.
4x+3=7;1
True
Solve using the substitution method:
-2x - y = -3 ]
y = -3x
(-3,9)
Solve using the square root property:
x2 = 16
x= +/- 4
What is the division property of Equality?
Show Example:
If you have 87 treats and give 8 treats to your friends how many treats do you have left?
You will have 79 treats left.
-2y-8=2
y=-5
Solve the following systems of linear equations by elimination.
x+y = -2
x - y =6
(2, -4)
What is the quadratic formula? Write on white board:
What property is this?
a = b or a = -b if a2=b
What is the square root property?
Olivia has 5 times more candy then her friend, her friend has 6 candies how much candy does Olivia have?
Olivia has 30 candies.