Answer:
2 & 3
Step-by-step explanation:
Pythagorean Theorem is
.
If the values given in each option satisfy the theorem, the sides will make a right triangle.
<h3>For Option One:</h3>

The sides would not make a right triangle.
<h3>For Option Two:</h3>

The sides would make a right triangle.
<h3>For Option Three:</h3>

The sides would make a right triangle.
<h3>For Option Four:</h3>

The sides would not make a right triangle.
The correct answer should be options two and three.
Answer:
(2) Real and equal (i.e., repeated roots), if D = 0.
Step-by-step explanation:
.In a quadratic equation ax2 + bx + c = 0, if discriminant is D= b2 - 4ac, then roots of the quadratic equation are
Real and equal (i.e., repeated roots), if D = 0.
If the D > b² - 4ac then it's real and distinct.
Answer:
m= 15
Step-by-step explanation:

To solve for m, start by moving the constants (numbers that are not attached to any variable) to the other side of the equation.

Simplify:

Multiply both sides by 9:

Crossing out 3 from the denominator and from 9:
m= 5(3)
m= 15
Answer:
C. one solution
Step-by-step explanation:
The number of solutions can be found from the number of intersection points.
There are 2 lines, a parabola (curve) and a horizontal line that is parallel to the x axis.
We see that there is 1 point of intersection between the 2 lines, at (2,1)-right 2 and up 1. Therefore, this non linear system has 1 solution.
C. one solution is the correct answer.
You were right, its the second choice CA=CB+BA