Functions & More
Is the following a function?
{(3, 9), (4, 9), (1, 0), (-2, 4)}
What is YES?
Solve for the unknown variable 2x + 8 = -22.
What is x = -15?
Find the slope in the equation y = -3x - 4
What is -3 ?
Find the y-intercept in y = -x + 5.
What is 5?
Solve the system of equations
x = 2 and y = 3x - 1 using substitution.
What is (2,5)?
If f(x) = -3x - 9, what is f(-2)?
What is -3 ?
Solve for the unknown variable -3(x+2) - 5 = 4
What is x = -29 ?
Determine the slope of the line
2x + 4y = 9
What is -1/2 ?
Miles works out everyday by running. He stretches for 10 minutes, and then runs x number of miles at a rate of 7 minutes per mile. Write an equation that represents how long his workout is after running x number of miles.
What is y = 7x +10
Solve the two equations
y = 4x + 2 and y = 2x - 8 using substitution.
What is (-5, -18)?
If f(x) = -3x - 9, solve for x if f(x)=6
What is -5?
Solve for the unknown variable 2x - 8 + x = 10 + 3x
What is NO SOLUTION ?
Determine the slope between the points;
(-3, 10) and (5, -2)
What is -3/2 ?
Find the y - intercept of 4x - 3y = 12
What is (0, -4)?
Tell if there is one solution, no solution or infinite solutions to the system of equations
y = 3x + 5 and -6x + 2y = 8.
What is no solution?
Graph this function: y=x2-3
Find the domain and range.
What is D: all real numbers ; R: [-3, inf) ?
Solve for the unknown variable
5 - (x - 3) = 2x - 4 + x
What is x = 3?
What is the equation of the line that goes through the point (0,7) and has a slope of -3?
What is y = -3x +7 ?
Multipy: (x-3)(2x+5)
What is 2x2-x-15
Solve the system of equations
2x + y = -4 and 3x + y = 2.
What is (6, -16)
Simplify: x2y0(x3y4)3
What is x11y12
Cole and his four friends each bought a toy. They bought lunch and spent a total of $29 and left a $5 tip. They started out with $64 total and now come home with no money. How much did each toy cost?
What is $6?
What is the equation of the line that goes through the points (2, 5) and (-1, -1)
What is y = 2x + 1 ?
Solve for a: ab - 2c = 5
What is a=(5+2c)/b
Solve the two systems
2x + y = 5 and -2x -3y = -11
What is (1,3)?