Step-by-step explanation:
Select all of the following that are quadratic equations.
x² + 3x - 5 = 0 ✓
x² - x = 3x + 7 ✓
5x - 7 = 0 X
7x² + 14x = 0 ✓
x³ - 3x² + 1 = 0 X
x - 5 = 9x + 7 X
What is quadratic equations?
Quadratic equations is a equation that has a general form like "ax² + bx = c"
For example :
x² + 3x - 5 = 0
x² + 3x = 5
x² → ax²
3x → bx
5 → c
Answer:
138 slices
Step-by-step explanation:
506 / 22 = 23 slices per loaf
23 x 6 = 138 slices
Answer:
(From left-right)
-10, 8
-8, 7
-6, 6
-4, 5
-2, 4
0, 3
2, 2
4, 1
6, 0
8, -1
9, -2
Step-by-step explanation:
Answer:
b or b
Step-by-step explanation:
Answer:3
Step-by-step explanation:
