The length of a rectangle is I yd more than double the width, and the area of the rectangle is 28 yd. Find the dimensions of the
1 answer:
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Answer:
Slope is 4.8
Step-by-step explanation:
Answer:
parallel
Step-by-step explanation:
Let's rewrite each equation into the slope-intercept form so that we can easily identify the slope of each line.
slope-intercept form: y= mx +c, where m is the gradient and c is the y-intercept.
9x +3y= 12
3x +y= 4 <em>(</em><em>÷</em><em>3</em><em> </em><em>throughout)</em>
y= -3x +4 -----(1)
24x +8y= 35
8y= -24x +35 <em>(</em><em>-</em><em>2</em><em>4</em><em>x</em><em> </em><em>on </em><em>both </em><em>sides)</em>
-----(2)
Thus, the slopes of the lines are both -3. Since both lines have the same gradient, they are parallel to each other.
Notes:
• parallel lines have the same gradient
• the product of the gradients of two perpendicular lines is -1
• gradient and slope has the same meaning and can thus be used interchangeably