Equations
Evaluate the expression:
3x^2 + (2y + z^3) if x = -4, y = 5, and z = 3
What is 85?
Solve 3x + 2(4x+2)<2(6x+1)
What is x > 2?
State the domain and range of this relation:
{(2,7), (1,7), (5,-3), (4,-8)}
What kind of number is
sqrt36 + -7
What is an rational number?
Mackenzie bought a new pair of jeans that were on sale. The sale price was three-fifths the original price and Mackenzie also used a $5 coupon. If Mackenzie paid $37 for the sweater, how much was it originally? Write an equation and solve.
What is 3/5x-5=37 and x = 70?
Solve 3/2 + 3/5x = 9/2 + 4/5x
What is x = -15?
Solve 4|2x-3|+3>19
What is x > 7/2 or x < -1/2?
Is this relation a function? Why or why not?
{(4,5), (3,7), (1,-10), (4,9)}
What is no because there is a repeated x value?
Any real number that cannot be expressed as the quotient of two integers
What is an irrational number?
Find three consecutive integers whose sum is 171.
What is 56, 57, 58?
Solve 8x + 4(4x-3) = 4(6x+4) - 4.
What is no solution?
What is x > -2 or x < -14/3?
Given the function g(x)=x^2 + x, find g(-5).
What is 20?
The number r is irrational. What would that mean for
r*sqrt33
What is sometimes rational?
Brooke has at most $40 to spend each week on gas and lunch. If Brooke spends $25 on gas, and lunch costs $7 per day, how many times can Brooke buy lunch this week? Create an inequality and solve.
25 + 7x <= 40
What is less than or equal to 2 times a week?
Solve for b:
ay = bc - d
b = (ay+d)/c
Solve 2x + 7 < 13 or -3x - 2 < 10
What is all real numbers?
Given the function f(x)=4x-8, find 3[f(-3)]+6.
What is -54?
(x2/y2) - (x + y)2 for x = 4, y = -0.5
What is 51.75?
Brayden is looking to peer tutor some students. He takes a downpayment of $5 and charges $20 per hour. Write an equation to represent Brayden's total cost to tutor.
What is y = 20x + 5?
Solve for x:
w + x = xy - z
What is x = (w+z)/(y-1)
Solve 2c - 4 < -6 and 3c + 1 < 13
What is c < -1?
Given the functions f(x)=4x-8 and g(x)=x2+x,
find 2[f(x+2)]-4g(2)
What is 8x-24?
When a = 4, b = 6, and c = -2, find
-3c-((2ab)/c^2)
What is -6?
The menu at Jeanne's favorite restaurant states that the roasted chicken with vegetables entree typically contains 480 calories. Based on the size of the chicken, the actual number of calories can vary by as many as 40 calories from the originally stated amount. Write an open sentence, then find the range of calories that the roasted chicken with vegetables could be. Write an inequality and solve.
|x-480|<= 40
What is between 440 and 520 calories?