Step-by-step explanation:
In this problem, all we have to do is replace x and y with the values we've been given.
It can be helpful to think of 3x as 3 * x (which is the same exact thing), so I'll write it out that way.
3*x - 4*y
(replace)
3*4 - 4*3
(multiply (doing this step first because of PEMDAS))
12 - 12
(subtract)
0
Answer:
0
(4,2)(3,-3)
slope = (y2 - y1) / (x2 - x1)
slope = (-3-2) / (3 - 4) = -5/-1 = 5....so ur slope is 5
To find the X intercept, replace y with 0 and solve for x:
9x + 21(0) = 16
9x = 16
x = 16/9
To find the Y intercept, replace x with 0 and solve for y:
9(0) + 21y = 16
21y = 16
y = 16/21
X-intercept is 16/9
y intercept is 16/21
Answer:
5
Step-by-step explanation:
√
3
x
+
10
=
x
To remove the radical on the left side of the equation, square both sides of the equation.
√
3
x
+
10
2
=
x
2
Simplify each side of the equation.
Tap for more steps...
3
x
+
10
=
x
2
Solve for
x
.
Tap for more steps...
x
=
5
,
−
2
Exclude the solutions that do not make
x
=
√
3
x
+
10
true.
x
=
5
Answer:
c
Step-by-step explanation:
