Peyton is 11 years old and knows 10-7=3 and 3+7=10 but finds it difficult to solve a math problem, such as 3x-5, because she can
not understand why there is a letter in the problem. Piaget would most likely place her in the
1 answer:
Answer:
concrete operational stage
Step-by-step explanation:
Have a look at the attached photo below, it may be your full question:
The concrete operational stage is the third phase in Piaget's cognitive development theory. This period spans the period between childhood, it begins around 7 years of age and continues until about 11 years of age and is characterized by the development of logical thinking.
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Answer:
Step-by-step explanation:
Given
Required
Fill in the gap
Represent the blank with k
Solving for k...
To do this, we start by getting the coefficient of x
Coefficient of x = 22
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Divide the coefficient by 2
Take the square of this result, to give k
Substitute 121 for k
The expression can be factorized as follows;
<em>Hence, the quadratic expression is </em><em></em>