The big difference (other than the subscripts denoting populations 1 and 2) is the addition of a term involving the competition coefficient, a. The competition coefficient represents the effect that one species has on the other: a 12 represents the effect of species 2 on species 1, and a 21 represents the effect of species 1 on species 2 (the ... Adjective and Adverbs - Downloadable PDF Worksheets for English Language Learners - Intermediate Level (B1). English Practice Downloadable PDF Grammar and Vocabulary Worksheets.List the terms, coefficients, and degree of each term in the following expression: . Maggie’s Solution Terms: , , and 4 To find the terms, I need to list all of the signed numbers, variables, or constants being multiplied by a variable or variables. Coefficients: 4, 2, and I determine the constants multiplied by Calculates the cumulative interest over a range of payment periods for an investment based on constant-amount periodic payments and a constant interest rate. Learn more: Financial: CUMPRINC: CUMPRINC(rate, number_of_periods, present_value, first_period, last_period, end_or_beginning) 6.1. The input base variable is X 5 (P 5), since it is the variable that corresponds to the column where the coefficient is -1. 6.2. To calculate the output base variable, the constant terms (P 0) are divided by the terms of the new pivot column: 6/(-2) [=-3] , 12/4 The coefficient for A shows the relationship between IQ and y when age is zero, and the coefficient for B shows the relationship between age and y when IQ is zero. (Of course, the coefficient for A * B answers the research question, but we're concentrating on how including an interaction changes the meaning of the coefficients