Solve the inequality and graph the solution.
8+2z≤4
To draw a ray, plot an endpoint and select an arrow. Select an endpoint to change it from closed to open. Select the middle of the ray to delete it.
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Solve: 8 + 2z ≤ 4
2z ≤ 4 − 8
2z ≤ −4
z ≤ −2
Interval notation: (−∞, −2]
Graph: a number line with a closed dot at −2 and a ray (arrow) pointing left from −2 (representing all numbers ≤ −2).
2z ≤ 4 − 8
2z ≤ −4
z ≤ −2
Interval notation: (−∞, −2]
Graph: a number line with a closed dot at −2 and a ray (arrow) pointing left from −2 (representing all numbers ≤ −2).
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