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Answer:
(-x,y)
Step-by-step explanation:
The x coordinate changes while the y stays the same when reflected across the x axis.
Answer:
Equation should have an equal sign
Inequality should have the inequality sign
Expression has no signs
Step-by-step explanation:
Answer:
How is this number written in scientific notation? A. 1.429 x 10.
Answer:
2y = 3x + 21
y = 1.5x + 10.5
plug in, in the second equation
- 4x + (1.5x + 10.5) = 23
-4x + 1.5x + 10.5 = 23
-2.5x + 10.5 = 23
-2.5x = 12.5
x = 12.5/-2.5 = -5
y = 1.5 (-5) + 10.5 = 3
x = -5
y = 3
