Answer:
x = 3 or x = -3
Step-by-step explanation:
Solve for x over the real numbers:
2 x (x + 3) - 6 (x + 3) = 0
Expand out terms of the left hand side:
2 x^2 - 18 = 0
2 x^2 - 18 = 2 (x^2 - 9):
2 (x^2 - 9) = 0
Divide both sides by 2:
x^2 - 9 = 0
x = (0 ± sqrt(0^2 - 4 (-9)))/2 = ( ± sqrt(36))/2:
x = sqrt(36)/2 or x = (-sqrt(36))/2
sqrt(36) = sqrt(4×9) = sqrt(2^2×3^2) = 2×3 = 6:
x = 6/2 or x = (-6)/2
6/2 = 3:
x = 3 or x = (-6)/2
(-6)/2 = -3:
Answer: x = 3 or x = -3
Answer:
I'll set it up and you can finish
Step-by-step explanation:
the axis of symmetry goes through th x-axis at x=4.
This point will be equidistant from both points that are at the x-intercepts. The distance from (-6,0) to (4,0) is
4 - (-6) = 10.
so I now you can find ? which will be in the first quadrant of the graph
Answer:
y=1/5
Step-by-step explanation:
6x-5y=5
3x+5y=4
we are now going to multiply the second equation by -6
6x-5y=5
-2(3x+5y=4)
so it becomes
6x-5y=5
-6x-10y=-8
the 6 can cancels out so it becomes -15y=-3
divide both sides by -15
y=1/5
Answer:
Step-by-step explanation:
(9 × 108) ÷ (3 × 10^-5)
= 972 ÷ (3 × 10^-5)
= 972/3 × 10^5
= 324 × 10^5
= 3.24 × 10^7
Answer:
angle DGC and angle CGB are adjacent angles
