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# Ninth Grade (Grade 9) Function and Algebra Concepts Questions

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Grade 9 Algebraic Expressions
The following expression is a....
$-9x^7y^5z^2$
1. monomial
2. binomial
3. trinomial
4. polynomial
Grade 9 Quadratic Equations
Expand and simplify
$(x- 5 ) (x + 6)$
1. $x^2 - 1x + 30$
2. $x^2 +11 x - 30$
3. $x^2 + x - 30$
4. $x^2 - 11x -30$
Grade 9 Linear Equations
Find the slope of the line that passes through the points (3 , 5 ) and (-6 , -1).
1. $1/4$
2. $9/6$
3. $2/3$
4. $-9/6$
Grade 9 Quadratic Equations
Factor the expression.
$x^2 - 10 x + 16$
1. $( x - 8) (x - 2)$
2. $(x -4 ) (x - 4)$
3. $(x - 8) (x +2)$
4. $(x + 8 ) (x - 2)$
Grade 9 Functions
Which set of ordered pairs satisfies an exponential function?
1. {(-2,1),(-8,2), (-32, 3), (-128, 4)}
2. {(-1,2),(0,10), (1, 50), (2, 250)}
3. {(1,2),(1,6), (1, 18), (1, 54)}
4. {(1,2),(2,4), (3, 6), (4, 8)}
Grade 9 Linear Equations
write an equation for the following line.
1. y = 1/2 x
2. y = 2x
3. y = -1/2 x
4. y = -1x + 2
Grade 9 Polynomials and Rational Expressions CCSS: HSA-APR.A.1
$(-4m-n)-(2m+3n)$
1. $-2m-4n$
2. $-6m-4n$
3. $-6m+2n$
4. $-8m-2n$
Grade 9 Polynomials and Rational Expressions
a trinomial is
1. a 1 term expression
2. an expression with 2 terms
3. an expression with 3 terms
4. an expression more then 3 terms
Grade 9 Linear Equations
Grade 9 Functions
Simplify the following expression.
$3y^2 - 6y + 2 + 3y^2 + 8y$
1. $8y^2 +2$
2. $6y^2 +2 +14y$
3. $6y^2 + 2 - 14$
4. $6y^2 +2y + 2$
Grade 9 Functions
Grade 9 Inequalities
$5x > 85$
1. 80
2. 20
3. 17
4. 16
Grade 9 Algebraic Expressions
The best definition for like terms is
1. the number you multiply a variable by
2. a letter that represents a number
3. terms having the same variables and exponent
4. a polynomial
Grade 9 Linear Equations
Grade 9 Radicals
Solve $5sqrtx=45$
1. x=3
2. x=9
3. x=81
4. no solution
Grade 9 Radicals
Simplify $sqrt800$
1. $2sqrt200$
2. $4sqrt50$$20sqrt2$
3. $20sqrt2$
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