Conceptual
Are x3y and xy3 like terms?
No, in the first term the x is cubed and in the second term is not. To be like terms, the same variables must have the same exponents.
Simplify the expression
4 + 5(7 - 22 + 3)
34
Write an expression for the product of four and a number.
4z
Evaluate the expression when m = 5
3(7m) - (m - 4)
104
What metal on the periodic table has the highest melting point?
Tungsten
Explain the mistake made in the work below.
Optional: After you’ve found the mistake, give the correct answer for an extra 100 points
4(5) - (3+5) + 72
20 - (8) + 72
20 - 8 + 49
20 - 57 = -37
In line 3, -8 and +49 were combined instead of solving from left to right.
61 is the correct answer.Simplify the expression
3(7m) - (m-4)
20m + 4
A radio station plays 10 songs each hour. Write an expression that describes how many songs are played after h hours.
10h
A radio station plays 10 songs an hour. How many songs will have played after 18 hours?
180
Out of the tutors, who has the most pets?
Not Mr. Rodriguez
Explain the error in the work below.
Optional: Give the correct solution for an addition 100 bonus points.
(x+2) + 4(x+2)
1x + 2 + 4x + 2
5x - 4
In the second set of parentheses, the constant 4 was not distributed to all terms.
Optional: 5x+10
Simplify the expression
y2 + 7x +4y + x
y2 + 8x + 4y
Write an expression that represents 15 less than the product of e and d
Or
de - 15
A painter chargers an initial $300 to paint a house, plus an additional $500 per room and $30 per hour. How much would it cost to paint a house with 2 bedrooms that took the painter 17 hours?
$1810
The characters on Mr. Rodriguez’s backpack are from what movie?
Toy Story
List two numbers that have an absolute value of 5
5 and -5
Find the sum of 3x + 1 and 4x-1
7x
Write an expression that represents 18 less than the quotient of a and b
(a/b) - 18
Evaluate and simplify if n = -2
-3|2n - 1| + n
-17
Steal 100 points from any other team and add them to your own team’s total. You can do this twice if you stand up and hit a sick dance move or emote.
Break it down.
Create a quadratic equation.
ax2 + bx + c
Simplify the expression below
(7m3 + m2) - (6m2 +1) + (m2 +3)
7m3 - 4m2 +2
A painter chargers an initial $300 to paint a house, plus an additional $500 per room and $30 per hour. Write an expression for the amount it costs to paint a house with r rooms and takes h hours to paint.
300 + 500r + 30h
Evaluate 6n2 - 3(n + 2) for n = -3
57
If anyone in your group had a screen time average of over 12 hours last week, your team loses 300 points. If all team members are at or below, gain the full 500 points
If you lost points…sorry. idk go touch grass or something.