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Back to the Basics
Algebra Mix Up
Now go'n two step... equations that is.
Look at me now.. I'm gett-ing graph-ing.
Mystery Math!
100
-3 - (-4)=
1
100
Write this as an algebraic statement: “Seven less than the product of a number and 10”
What is 10x – 7
100
Consider this equation: 50 + 5n = 120 Solve the equation for n.
What is 14
100
What is the equation of a straight line in slope intercept form? What is the m? What is the b?
What is y=mx + b m= slope b= y-intercept
100
What is 0.00075 expressed in scientific notation?
What is 7.5 x 10^-4
200
400 x 6000
What is 2400000
200
Consider this expression: 8m + 5n + 3 – m – 2n – 2 The expression above can be simplified to which of the following?
What is 7m + 3n + 1
200
Consider this equation: 4(2x – 3) = 2(3x + 1) Solve the equation for x.
x=7
200
The equation of a line is given in standard form: 6x – 2y = 18. What is it in slope intercept form?
What is y = 3x – 9
200
Which number is rational? A. π B. √50 C. -2.625 D. -√99
A
300
54 x 60 =
What is 3240
300
In one sentence, explain what a variable is.
(answers vary)
300
d – 2.7 = 2
What is 4.7
300
In two sentences, your team needs to explain what slope looks like in real life. I want a real life example of slope.
(answers vary)
300
Consider the following sequence: 99, 92, 85, 78, 71 … What is the rule for getting from one term in the sequence to the next? Does this sequence show a linear relationship? (You'll be asked to explain why/why not)
Subtract 7 Linear because the change is constant from one number to the next.
400
7-22=
-15
400
Ms. Thomas has a square bedroom. The area of the room in 169 square feet. What is the length of one side of the bedroom.
13 feet
400
A taxi company uses this expression to calculate the cost of a cab ride: 5.25 + 0.25m There is a fixed cost of $5.25 and a charge of $0.25 for each mile, m. What is the cost of a cab ride that is 12 miles?
What is $8.25
400
Consider this equation: y = 5/7x - 99 What is the m of this line? What is the b?
m= 5/7 b= 99
400
How many degrees are on a straight line? How many degrees are in a circle?
180 degrees 360 degrees
500
780/20
What is 39
500
Simplify the following expression: √28 + 2√7 + √49 =
What is 4√7 + 7
500
Consider this expression: 5h + (12 ÷ b) – 6 – 2b What is the value of this expression when h=3 and b =2
11
500
What is the slope of the line that passes through the points with coordinates (25,325) and (350,500)?
What is 7/13
500
A right triangle's longest side is 10 units. Another side is 6 units. What is the length of the missing side?
What is 8