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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 Linear Equations
Grade 9 Inequalities CCSS: HSA-REI.B.3
Grade 9 Inequalities CCSS: HSA-REI.B.3
solve
$2x + 6 <= -4$
1. $x <= 1$
2. $x <= 10$
3. $x <= -10$
4. $x >= -10$
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 Functions CCSS: HSF-LE.A.1a
A function which has a constant difference per interval is ...
1. Linear
2. Exponential
3. Logarithmic
4. None of the above
Grade 9 Inequalities CCSS: HSA-REI.B.3
Solve the inequality $–3x + 8 < 11$.
1. $x<1$
2. $x<-1$
3. $x>-1$
4. $x>1$
Factor the expression.
$x^2 - 10 x + 16$
1. $( x - 8) (x - 2)$
2. $(x -4 ) (x - 4)$
3. $(x - 8) (x +2)$
4. $(x + 8 ) (x - 2)$
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
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 Exponents CCSS: HSA-SSE.B.3c
Evaluate: $x^{0}$
1. $0$
2. $1$
3. $x$
4. $x^2$
5. None of the above.
Grade 9 Functions CCSS: HSF-IF.B.5
Choose a reasonable domain for the following situation:
roast beef sandwiches for n people
1. set of whole numbers
2. set of integers
3. set of positive real numbers
4. set of real numbers
Grade 9 Algebraic Expressions CCSS: HSA-REI.A.1
$3x-5=15-2x$ is equivalent to ...
1. $x=4$
2. $x=1$
3. $x=2$
4. $x=5$
Grade 9 Algebraic Expressions CCSS: HSA-REI.A.1
$x+2x^2-3=-5x+x^2-12$ is equivalent to ...
1. $x=0$
2. $x=-3$
3. $x^2=-9$
4. $x=6$
Grade 9 Functions CCSS: HSF-LE.A.1a
A function which has a constant factor per interval is ...
1. Linear
2. Exponential
3. Both
4. None of the above
Grade 9 Polynomials and Rational Expressions CCSS: HSA-APR.A.1
$3a(2a^2-4a+6)$
1. $3a^3-a^2+18a$
2. $6a^2-12a+18$
3. $5a^3-a^2+9a$
4. $6a^3-12a^2+18a$
Simplify: $(x^10)/(8x^5).$
1. $(x^5)/8$
2. $(1)/(8x^5)$
3. $8x^5$
4. $(8)/(x^5)$
Simplify expression: $-5y^3 + 2y^2 - 6y - 10y^2 + 10y^3 + y$
1. $5y^3 - 8y^2 - 5y$
2. $-5y^3 + 8y^2 + 5y$
3. $15y^3 + 12y^2 + 7y$
4. $-15y^3 - 12y^2 - 7y$