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Which of the following is an example of an open equation?
5x + 7 = 12
12 + (–8) = 4
25 = 5(5)
8 + 0 = 8


Which of the following equations has 3 as a solution
‒2b = 6
4a ‒ 5 = 12
5y = y + 8
z ‒ 15 = ‒12
Is (1, 5) a solution to the equation y = x – 2?
yes
no


Is (–2, –6) a solution to the equation y = 3x?
yes
no
Which of (3, 5), (4, 6), (5, 7), and (6, 8) are solutions to y = x + 2
(3, 5) and (4, 6)
(4, 6) and (5, 7)
none
all
Which equation would be used to generate the data in the following table?


x y
1 8
2 16
3 24
4 32

x = 2y
y = x + 7
y = 2x
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?
50 calories
100 calories
110 calories
1100 calories

Respuesta :

nobillionaireNobley
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

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