Which of the following is an example of an open equation?
An open equation is an equation with at least one variable.
Therefore, 5x + 7 = 12 is an open equation.
Which of the following equations has 3 as a solution z ‒ 15 = ‒12 z = -12 + 15 = 3
Is (1, 5) a solution to the equation y = x – 2? 5 ≠ 1 - 2 -5 ≠ -1 no
Is (–2, –6) a solution to the equation y = 3x? -6 = 3(-2) yes
Which of (3, 5), (4, 6), (5, 7), and (6, 8) are solutions to y = x + 2 5 = 3 + 2 6 = 4 + 2 7 = 5 + 2 8 = 6 + 2 all
Which equation would be used to generate the data in the following table? x y 1 8 2 16 3 24 4 32 y = 8x
On a treadmill, you burn 11 calories in 1 minute, 22 calories in 2
minutes, 33 calories in 3 minutes, and so on. How many calories do you
burn in 10 minutes? 11 x 10 = 110 calories
