Questions LLC
Login
or
Sign Up
Ask a New Question
Mathematics
Algebra
Substitution
The expression 4x2 + y - 7 where x = 3 and y = 7 is equal to 24.
True
False
1 answer
False
You can
ask a new question
or
answer this question
.
Related Questions
Use the Commutative Property of Addition to rewrite the algebraic expression: 4x2+8x
4 x 2 + 8 x .(1 point)
Three students were asked to rewrite the expression 18x3 + 36x5 using a common factor. The rewritten expressions are shown in
Add or subtract.
(4x2 – 2x – 1) – (–3x3 + 2) A. –3x3 + 4x2 – 2x + 1 B. –3x3 + 4x2 – 2x – 3 C. 3x3 + 4x2 – 2x
Which statement best describes how to determine whether f(x) = 9 – 4x2 is an odd function?
Determine whether 9 – 4(–x)2 is
For questions 2 and 3, simplify each polynomial.
2x2 + 8 – 4x + 3x – 6x2 + 7 A. –8x2 – 7x + 15 B. –4x2 – x + 15 C.
The perimeter of the shape below is 11x2+7x + 1 . Find the length of the missing side. (1 point) Responses −4x2−2x−7
Is f(x)=4x2−3 a one-to-one function on the domain (−∞,∞)?
Options: -No, f(x)=4x2−3 is not a one-to-one function on
Add or subtract.
(4x2 – 2x – 1) – (–3x3 + 2) A. –3x3 + 4x2 – 2x + 1 B. –3x3 + 4x2 – 2x – 3 C. 3x3 + 4x2 – 2x
Which is equivalent to the following expression?
(3x2+5xy−2y2)+(x2+3xy−y2) (1 point) Responses (4x2+8xy+3y2) open paren 4 x
Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. What is the resulting expression?
(4x2 + 3)(x2 – 5) (4x2 – 3)(x2