Expression Explosion
Which of the sets shown includes the elements of Set Z that are both odd numbers and multiples of 5?Z = {−15, −12, −10, 2, 7, 10, 20}
What is... {−15}
LaTanya buys 5 yards of blue fabric and 8 yards of green fabric. The blue fabric costs $2 more per yard than the green fabric. She pays a total of $62. What would be the combined cost of 1 yard of blue fabric and 1 yard of green fabric?
What is... $10
Identify the domain and range of
{(2, 8), (3, 0), (4, 6), (−1, 9), (1, 6)}
What is... D = {−1, 1, 2, 3, 4}; R = {0, 6, 8, 9}
What is the slope and y-intercept of y = −4x − 1 ?
What is... Slope = −4, y-intercept = −1
What is an equation in point-slope form of the line shown in the graph, using the point (2, 2)?
Pull up picture for class.
what is... y−2=−2(x−2)
Jamie wants 5 concert tickets, and his total cost must be within $4 of $80. Write an inequality to model ticket price x.
What is... |80 − 5x| ≤ 4
Solve the equation s = a + lw for the variable w.
What is... W= S-A/L
Which r-value suggests a weak positive correlation?
𝖠:r = 0.17454, 𝖡:r = −0.17454, 𝖢:r = 0.98264,
𝖣:r = −0.98264
What is... 𝖠:r = 0.17454
What is the equation of the line through (2, 3) and (−1, −12)? (find Slope and y int)
What is... y = 5x − 7
Write the point-slope form of a line through (4, −1) with slope 6.
What is... y + 1 = 6(x − 4)
The sum of three consecutive odd integers is 105. What are the three numbers?
What is... 33,35,37
Teo makes x wood beads at $0.50 each and 6 glass beads at $1.25 each. Average cost is $0.75. Write an equation.
What is... (0.50x + 7.50)/(x + 6) = 0.75
Jack works after school. Each day he earns a set amount, plus an hourly wage. Write a linear function f Jack can use to determine his pay
What is... f= 13 + 5x.
Yuson must complete 30 hours of service, 2 hours each day. Write a linear equation for hours left after x days.
What is... y = 30 − 2x
Which values of A, B, C make Ax + By = C a vertical line through (8, 6)?
What is... A = 1, B = 0, C = 8
Simplify and solve for x: 5x − 2(2x − 1) = 6
What is... x = 4
Solve and graph: 3x + 2 > 8
What is... x > 2
Rental shop charges $60 per tux and $90 per dress. Write a cost function and determine if 2 tux and 2 dresses fit a $300 budget.
What is... C(t, d) = 60t + 90d; Yes – exactly $300 |
Write the equation of the horizontal line through
(5, −7)
What is... y = −7
Find the x- and y-intercepts of 9x − 7y = −63.
What is... x-int = −7, y-int = 9
Solve (1/3)(6x − 5) − x = (1/3) − 2(x + 1)
What is... x = 1
Isabel is buying 6 angelfish, and she wants her total cost to be no more than $2 above or below $36. Which inequality models the cost x, in dollars, of an angelfish?
What is... |36 − 6x| ≤ 2
Which relation is a function? (Bonus 100 pts if you tell me Why?)
𝖠:(1, 0), (3, 0), (1, 1), (3, 1) (1, 3)
𝖡:(1, 1), (2, 2), (3, 3), (4, 4), (5, 8)
𝖢:(2, 7), (6, 5), (4, 4), (3, 3), (2, 1)
𝖣:(9, −3), (9, 3), (4, −2), (4, 2), (0, 0)
What is... 𝖡:(1, 1), (2, 2), (3, 3), (4, 4), (5, 8)
The X's do not repeat.
Write the equation in standard form of the line that has x-intercept 3 and y-intercept 5
What is... 5x + 3y = 15
Derek has $20 to spend on used books. Hardcover books cost $5 each and paperbacks cost $2 each. What equation in standard form determines the number x of hardcover books and the number yof paperback books he can buy?
What is... 5x + 2y = 20