9:2
B
90:1
C
1:18
D
18:1
Answer: 18:1
Step-by-step explanation:
450 students : 25 teachers
18 students : 1 teachers
450/25= 18
Answer:
D. 18 : 1
Step-by-step explanation:
Students : teachers and aides
450 : 25
Treat it like a fraction. 450 over 25 simplifies to 18 over 1 because 450/25=18 and 25/25=1.
Therefore, the ratio is 18 : 1
The solution of a quadratic function is also called as zeroes, roots and x - intercept.
Solving quadratic function means finding a value (or) values of variable which satisfy the equation. The value(s) that satisfy the quadratic function is known as its roots/ zeroes and x - intercept.
Example-
Here, 1 and 2 are zeroes/ roots/ intercept of the quadratic function.
Learn more about solution of a quadratic function here
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Zeros, roots, solutions, and solution sets are all 4 names
–13 + 27 = 27 + (–13)
B.
–21 + (11 + 13) = (–21 + 11) + 13
C.
4(–3 + 5) = 4(–3) + 4 ∙ 5
D.
–(–8 + 3) = 8 + (–3)